COSMETIC COMPOSITION CONTAINING AMIDES AND SILICON-MODIFIED WAXES

Abstract: A base composition and corresponding cosmetic composition are disclosed which can be formed as solids (for example, gels or sticks) and which comprise a solvent which includes a silicone fluid (for example, a silicone oil such as cyclomethicone) and a thickening agent formed from a wax and a polyamide gellant wherein at least one of the wax and polyamide includes silicon-containing moieties (for example, siloxane groups to have a siloxane diamide wax to enhance compatibility of the silicone fluid in the composition). A cosmetically active material, such as a deodorant or antiperspirant active material, is included in the composition to form a solid cosmetic product (antiperspirant or deodorant product), which can be a clear product. Compositions of the present invention can be made with increased amounts of silicone fluid and with improved aesthetic such as decreased tack.

Description: COSMETIC COMPOSITION CONTAINING AMIDES AND SILICON-MODIFIED WAXES BACKGROUND OF THE INVENTION The present invention is directed to a base composition and cosmetic compositions made therefrom wherein the base composition comprises a (1) silicone fluid and (2) a gelling agent comprising a wax containing siloxane units and a polyamide wherein the polyamide may itself optionally contain siloxane units. The cosmetic compositions include, but not limited to, a deodorant or antiperspirant composition, in solid (for example, gel or stick) form, having a cosmetically active ingredient (illustratively, a deodorant and/or antiperspirant active material) therein. In particular, the present invention is directed to a deodorant or antiperspirant stick or gel composition, utilizing a polyamide gelling agent, having enhanced compatibility with silicone fluids (for example, silicone liquids, such as silicone oils). The cosmetic composition of the present invention. when incorporating an antiperspirant and/or deodorant active material, can be used to combat body malodor, for example, in axillary regions of the human body, by applying the composition to the human body (for example, to the skin, in axillary regions of the body). The present invention is particularly directed to clear or transparent antiperspirant compositions in stick or gel form. More particularly, the present invention is directed to a clear gel or stick composition including a polyamide gelling agent, and having an active ingredient (for example, an antiperspirant active material) incorporated therein, the composition having improved application and cosmetic properties (including reduced tackiness and stickiness). The present base compositions and cosmetic compositions are preferably transparent (clear) but they can also be translucent or opaque. Antiperspirant products are well known in the art. Antiperspirant products have appeared in the marketplace in various dosage forms, such as sticks, gels, roll-ons. aerosols and creams. Generally, these dosage forms include a solution of the active ingredient in a suitable solvent, a suspension of the active ingredient in a non-solvent, or a multiphasic dispersion or emulsion in which a solution of the active ingredient is dispersed in some continuous phase or in which the solubilized active ingredient constitutes the continuous phase. With respect to sobd cosmetic compositions, the stick form can be distinguished from a gel or a paste in that in a stick, the formulated product can maintam its shape lor extended time periods outside the package, the product not losing its shape significantly (allowing for some shrinkage due to solvent evaporation). Gels or pastes can be suitably packaged in containers which have the appearance of a stick, but which dispense through apertures on the top surface of the package. These products have been called soft sticks or "smooth-ons". Hereinafter, these soft sticks are generically called "gels". Reference is made to U.S. Patent No. 5, 102,656 to Kasat, No. 5.069.897 to Orr, and No. 4.937,069 to Shin, each ot which discloses such gels, including physical characteristics thereof such as viscosity and hardness. The contents of each of these three U.S. Patents are incoφorated herein by reference in their entirety. Recently, there has been significant activity in developing clear and translucent antiperspirant sticks and gels. Clear or translucent antiperspirant sticks consisting essentially of a solution ot the active antiperspirant material in a polyhydric alcohol vehicle, gelled by dibenzylidene monosorbitol acetal. have been disclosed. Clear and translucent antiperspirant gels (which have been dispensed from containers having the appearance of a stick) have been marketed, consisting of viscous, high internal phase emulsions. However, such conventional sticks and gels have draw backs. U.S. Patent 5.500,029 (issued on Apphcation Serial No. 08/214.1 11), the contents ot which are incoφorated herein by reterence in their entirety, discloses a gel or stick which includes active deodorant and/or antiperspirant ingredients, a polyamide gelling agent, and a solvent for the polyamide gelling agent, which gel or stick composition can be clear or translucent. This patent application discloses that the polyamide gelling agent is soluble in a cosmetically acceptable solvent at elevated temperatures, and solidifies (gels) upon cooling; acceptable solvents are disclosed as including vanous alcohols, including vanous glycols. While the polyamide-contaimng stick or gel disclosed in the atorementioned U.S. Patent 5.500.029 contains desirable propeπies in connection with stability of the composition. particularly in the presence ot acidic antiperspirant active materials, and in providing clear or translucent gel or stick compositions, various attributes need to be improved. Specifically, the compositions according to U.S. Patent 5,500,029, containing glycol solvents for the polyamide gelling agent and/or for the antiperspirant active material, may have a disadvantageous amount of tackiness and stickiness both upon and after application to the skin. In general, vanous of the polyamides desenbed in the aforementioned U.S. Patent 5,500,029 are used commercially for thermal adhesive tormulations, are very sticky in their molten phase, and are considerably tacky even in gel formulations, especially after the volatile solvent is evaporated. This property is very undesirable tor cosmetic applications, particularly for antiperspirant and/or deodorant applications, because it produces formulauons with an unpleasant sensauon when applied to the skin. Addressing this problem ot tackiness and stickiness in connection with cosmetic compositions utilizing a polyamide gelling agent. U.S. Patent Apphcation Seπal No. 08/426,672, filed April 21. 1995, the contents ot which are mcoφorated by reterence herein in their entirety, discloses use ot a specific solvent system for a solid composition containing an antiperspirant active material and a polyamide gelling agent. This solvent system is glycol-free and contains a non-ionic surfactant and a polar solvent. Water is the polar solvent, and with the non-ionic surractant acts as a dispersing medium lor the antiperspirant active matenal. in which sufficient water is used to give a clear or translucent solution/emulsion of the anuperspirant acuve matenal. Notwithstanding the foregoing, it is still desired to provide a solid cosmetic composition, containing a cosmetically active material in a sufficient amount so as to have a cosmetic effect, the composition being thickened using a polyamide gelling agent, the composition having improved cosmetic properties, including reduced tackiness and stickiness both upon and after application. A typical technique to reduce the tackiness ot. for example, antiperspirant tormulations is the incoφoration ot cyclomethicone (such as a mixture ot penta- and hexa- cyclodimethylsiloxanes) This cyclomethicone is a very low-viscosity hquid that provides excellent lubncity, which eliminates the tacky teeung Cyclomethicone is also mildly volatile and therefore does not leave stains on the skin and/or clothing. More than 50% by weight of cyclomethicone has been incoφorated into solid stick antiperspirant tormulations, for example, usmg a wax solidifying agent. However, cyclomethicone is a nonsolvent for polyamides descπbed as gelling agents in U.S. Patent 5,500.029. Moreover, only limited quantities of the cyclomethicone (for example. 37% by weight) can be incoφorated in solid compositions gelled using such polyamide gelling agent, without destroying the claπty of the gelled composition. Beyond that point, the gelled composition becomes cloudy because of either excessive crystallization ot the polyamide or lmmiscibilitv ot the cyclomethicone in the mature. U.S. Patent No 5,243,010 to Choi, et al.. the contents ot which are incoφorated herein by reference in their entirety, discloses aromatic polyamide resms havmg pendant silyl groups, such resin having excellent heat-resistance, mechamcal strength, electncai conductivity and other physical properties, as well as excellent solubility in common organic solvents and improved molten processmg properties This patent does not descπbe use of the aromatic polyamide resin as a gelling agent, much less as a gelling agent in cosmetic composiuons to provide solid cosmeuc composiuons U.S. Patent No. 5.272.241 to LucareUi. et al.. the contents ot which are incoφorated herein by reterence in their entirety, discloses organotunctional sϋoxanes useful in both the personal care and plastics industries, the siloxanes being amino acid functionalized sύicones. It is disclosed in this patent that the siloxanes have uses as plastic additives, hydraulic fluids, vibration damping agents, release agents, antifoamers, dielectπc media, water repeUents, surfactants, cosmetic and health product additives, lubncants. etc. This patent does not disclose use ot the siloxanes as gelling agents Thus, it is an object to provide a gelling agent or co-gel ng agent tor such base composition and cosmetic and composition, as a thickening agent It is a further object of the present invention to provide a solid cosmetic composition (for example, a gel or stick composition), containing a cosmetically active ingredient and a gelling agent, which can be a clear composition, havmg reduced tack both upon and after apphcation. and a method of forming the same. It is a still further object of the present invention to provide a solid cosmetic composition, utilizing a gelling agent, and which has increased compatibility with silicone fluids (for example, cyclomethicone or dimethicone liquids), allowing creation of compositions which contain high levels of silicone fluids (such as these silicone oils), and a method of forming the same. It is a still further object of the present invention to provide solid cosmetic compositions utilizing gelling agents, which compositions have improved cosmetic and application properties, including having reduced tackiness and stickiness, and a method of producmg the same. It is a still further object of the present invention to provide an antiperspirant and/or deodorant solid (for example, gel or stick) composition, containing deodorant and/or antiperspirant active materials, thickened using a gelling agent, which composition can be clear or at least translucent, the composition containing increased amounts of silicone fluids (for example, cyclomethicone and/or dimethicone) and having reduced tackiness and stickiness both upon and after application, and a method of making the same. SUMMARY OF THE INVENTION Accordingly, the present invention provides a base composition for a thickened (for example, solid) cosmetic composition in which a cosmetically active ingredient can be incoφorated. utilizing as the thickening agent (also called the gelling agent) a composition comprising a wax containing silicon units and a polyamide gelling agent which itself optionally can also contain silicon units, which base composition and resulting cosmetic composition have improved apphcation properties (including reduced tack), and a method of forming the same. The toregoing objectives are achieved accordmg to the present mvention. by usmg, as at least part ot the thickemng agent, a wax with an amide thickemng agent wherem at least the wax contams silicon moieties This thickemng agent enhances compatibility ot a sihcone fluid, such as cyclomethicone and/or dimethicone. in the composition, so that increased amounts ot the sihcone fluid can be mcluded in the composition without adversely affecting other properties (for example, clanty) of the composition For example, the base composition can include more than 50% ot a sihcone oil. Moreover, by lncoφorating increased amounts ot the sihcone fluid in the composition, tackiness and stickiness ot the composition can be reduced In addition, vanous ot the thickening agents havmg silicon-containing moieties per se, descπbed below, provide a gel which is less tacky or sticky than, tor example, vanous of the polyamide thickemng agents descπbed in the aforementioned U S Patent 5,500,209, even without the increased amounts ot si cone oil A solid cosmetic composition made accordmg to the present mvention mcludes a base composition made from a sihcone fluid (for example a si cone hquid. such as a sihcone oil) and a gelling agent made with a wax contaimng sihcon u ts and an amide which optionally itself may also contam sihcon umts. and at least one cosmetic matenal Optionally other solvents (which may also be silicon fluids), emollients, fillers, fragrance, antibactenals (antimicrobials), colorants and other ingredients known to those skilled in the art for tormulatmg such products may be added The thickemng agent mcludes silicon-containing moieues to enhance compatibility ot the silicone fluid in the composmon In general, the active cosmetic material is mcluded in an amount sufficient to have a cosmetically active effect Depending on the active cosmetic matenal, various products can be provided. For example, the active cosmetic matenal can be a fragrance, an antiperspirant active matenal, a deodorant active matenal, a sunscreen, an insecticide, a colorant, etc The resulting composition would be a perfume composition, an antiperspirant and/or deodorant composition, a sunscreen composition, an insect repellent, a lipstick, etc Compositions accordmg to the present mvention can be clear, or at least translucent, although compositions, contaimng the atorementioned thickemng agent, which are not clear or translucent, are also contemplated as being with the scope ot the present mvention. Moreover, depending on the amount ot thickemng agent mcluded in the composition, the solid composition formed can be a gel or a stick. Accordmg to one particular embodiment of the present mvention. the thickemng agent mcludes a wax with a sihcon portion and a polyamide gelling agent havmg silicon-containing moieties. For example, the polyamide portion ot the gelling agent can be a copolymer tormed from monomers or ohgomers mcludmg a siloxane ohgomer (tor example, a copolymer tormed by reacting an o gosiloxane diamine with a dimer acid) The polyamide gelling agent can also be a polyamide tormed by silyl amidation or silyl esterification ot dimer-based polyamides (tor example, reacting tree acid end-sites on an original polyamide with ohgosiloxanes each contaimng at least one amine group, or with ohgosiloxane alcohols or diols). As a further aspect of the present mvention. the polyamide portion ot the gelling agent can be a polyamide tormed by substituting an ohgosiloxane diamine tor the diamine in an onginal polyamide (transamidation at elevated temperatures such as at least 150 degrees C and, more particularly, at least 200 degrees C ) The polyamide portion ot the gelling agent can be a polyamide tormed by grattmg pendant ohgosiloxane groups on an onginal polyamide. The amide thickening agent havmg silicon-containing moieties can be a siloxane diamide wax. with the composition also contaimng a polyamide gelling agent as described m U.S. Patent 5,500,209 as an additional embodiment of the thickemng agents useful in this mvenuon. By incorporating thickening agents havmg silicon-containing moieties (for example, sihcone (sιloxane)-contaιnιng moieties), compatibility ot a sihcone fluid in the composition. as compared with compatibility ot such fluid in a composition contaimng amide thickemng agents which do not clude the silicon-containing moieties, is enhanced Accordingly, more sihcone fluid (for example, more sihcone oil) can be incoφorated in the composition without disadvantageously affecting, tor example, clanty ot the composition such as an amount of 10-15% more than the base amount. By incoφorating more sihcone fluid in the composition, cosmetic and apphcation properties, mcludmg tackiness or stickiness, can be improved: that is. compositions accordmg to the present mvention have reduced tackiness and stickiness both upon apphcation to the skin and while on the skin. Furthermore, not only does the increased amounts of sihcone fluid achieve reduced tackiness and stickiness, the vanous amide thickemng agents havmg silicon-containing moieties provide a gel and/or stick havmg reduced tackiness and stickiness, apart from the increased amount of silicone fluid m the composiuon. Accordingly, the cosmetic composition of the present mvention has improved apphcation and cosmetic properties, while certain embodiments can still achieve a composition which can be clear. DETAILED DESCRIPTION OF THE INVENTION The present mvention contemplates a base composition capable ot being formulated into a cosmetic composition, tor example, a solid cosmetic composition such as a gel or a stick. The base composition compnses a thickemng agent and at least one solvent tor the thickemng agent, wherem: ( I ) the thickemng agent compπses a silicon-containing wax and an polyamide itself optionally contaimng silicon moieties: and (2) the solvent compπses at least one sihcone fluid whereby the compatibihty ot the sihcone fluid the base composition is enhanced. The thickening agent can be a wax havmg silicon-containing moieties such as dialkyl or diaryl siloxane repeat umts where (a) the number ot umts "n" is 1 - 100; (b) each alkyl is mdependently selected from the group consisting ot methyl, ethyl, propyl and isopropyl; and (c) each aryl is phenyl optionally substituted with 1,2 or 3 methyl or ethyl groups. The wax is mixed with a polyamide gelling agent to enhance such compatibility of the sihcone fluid in the composition. The gelling agent is selected so that it is capable ot dissolving in a fluid which contams sihcone at a temperature of 25- 150 degrees C to torm a translucent or clear solution at a temperature in this range By soluble in sihcone. we mean that the polymer can be dissolved the sihcone fluid at least at elevated temperature (but below the boihng po t ot the silicone fluιd).The mdividual components required tor the gelling agents can either be obtained commercially or can be prepared utilizing vanous techmques. as will be discussed below. The present mvention also contemplates a solid cosmeuc composition containing a cosmeucally active ingredient m this vehicle. The base composition tormed from the polymers and the sihcone fluids (optionally with the addition ot other solvents) is then comb ed with at least one other active ingredient (which itself may need a further vehicle to be mcoφorated into the base composition) and other optional ingredients such as fragrance, emollients (especially silicone-rniscible emollients), coloring agents, fillers, antibactenals (antimicrobials) and other conventional ingredients known to those in the art for formulating such products to form cosmetic compositions. As another aspect of the present mvention, the amide thickemng agent can be a siloxane diamide wax or a partial siloxane diamine (both be g referred to hereafter as siloxane diamide wax), used in comb ation with a polyamide gellant with or without silicon- containing moieties. Thus, accordmg to this aspect of the present mvention, the sdoxane diamide wax is a co-former with the aforementioned polyamide gellant. By siloxane groups we mean groups havmg siloxane umts (for example, -Si(R')(R 2 )-O-), where R l and R 2 are each mdependently selected from the group consisting ot methyl, ethyl, propyl, isopropyl and phenyl wherem the phenyl is optionally substituted mdependently by I , 2 or 3 of methyl and ethyl in the polymer. The sdoxane umts can be in the main chain, in pendent chains or in both the mam cha and in pendant chams. The siloxane umts occur in segments: R l I -[-Si-O-] n R 2 in the polymer where each segment of repeating siloxane umts has a number "n" of siloxane umts independently selected from the range 1-300, and more particularly trom the range of 10-100. The sihcone fluids to be mcoφorated in compositions accordmg to the present mvention are those conventionally utilized in cosmetic compositions. These mclude linear siloxanes known as dimethicones. linear siloxanes contaimng an aromatic substitution such as phenyl tπmethicone and the various cychc siloxanes havmg from 4-6 members m a nng, particularly cychc dimethyl sdoxanes such as cyclo ethicones. Mixtures of such sihcone fluids may also be used. Suitable volatile silicone liquids are descπbed in U.S. Patent No. 5,102,656 to Kasat. referenced above. Examples of other known silicone fluids for use in cosmetic compositions are disclosed in U.S. Patent No. 4,853,214 to Orr, referenced above and are suitable for this mvention. Other particular examples include linear volatile sihcone fluids, for example, silicone liquids convenuonally used in cosmetic compositions. While the present mvention will be descπbed in connection with specific and preferred embodiments, it will be understood that it is not intended to limit the mvention to those embodiments. To the contrary, it is intended to cover all alterations, modifications and equivalents as may be included within the spiπt and scope of the mvention as defined by the appended claims. Thus, throughout the present disclosure, the present mvention is desenbed primarily in connection with antiperspirant and/or deodorant compositions, including clear antiperspirant and or deodorant gel and stick compositions. However, the present mvention is not limited to such compositions: for example, the composition accordmg to the present mvention can be a sunscreen composition. Dependmg on active mgredients mcluded the composition, the composition can be an emollient composition, a perfume composition, etc. As to vanous types of solid cosmetic compositions and respective active materials which can be corporated there , which are applicable to the present mvention, attention is directed to U.S. Patent No. 4,322,400 to Yuhas, the contents of which are incoφorated herem by reference in their entirety. Throughout the present specification, "deodorant active" matenals and "antiperspirant active materials" are discussed. Both types of matenals contribute to reduction of body (for example, axillary) malodor. By reduction ot body malodor. we mean that, generally, there is less body malodor after apphcation of the composition to a person's skin, as compared to body malodor ot the person without apphcation ot the composition. Such reduction can be due to a masking ot the malodor. absoφtion and or chemical reaction ot the malodorous mateπals. reduction ot levels of the bactena producmg the malodorous mateπals, for example, trom perspiration, reduction ot perspiration, etc. The antiperspirant mateπals. when utilized in appropnate amounts, act to reduce body malodor by reducing production ot perspiration: the antiperspirant mateπals can also have a deodorant function, tor example, as an antimicrobial agent. The deodorant active mateπals do not substantially reduce the production ot perspiration, but reduce malodor in other ways, for example, as fragrances masking the malodor by reducmg the malodor intensity, as odor absorbents, as antimicrobial agents, as agents chemically reacting with malodorous matenal. etc. Throughout the present specification, where compositions are described as mcludmg or comprismg specific components or mateπals, it is contemplated by the inventors that the compositions ot the present mvention also consist essentially ot. or consist ot. the recited components or mateπals. Accordingly, throughout the present disclosure any descπbed composition ot the present mvention can consist essentially ot, or consist ot, the recited components or mateπals. As indicated previously, the solid composition ot the present mvention can be a clear, or at least a translucent, gel or stick composition (tor example, antiperspirant gel or stick composition) The term clear or transparent (that is. clanty), accordmg to the present mvention. is intended to connote its usual dictionary definition: thus, a clear cosmetic gel or stick allows ready viewmg ot objects behind it. By contrast, a translucent antiperspirant stick, although allowing hght to pass through, causes the hght to be so scattered that it will be impossible to see clearly objects behmd the translucent stick. Opaque compositions do not allow a substantial amount ot hght to pass therethrough. Withm the context of the present mvention, a gel or stick is deemed to be transparent or clear if the maximum transmittance of hght of any wavelength in the range 400-800 nm through a sample 1 cm thick is at least 35%. preferably at least 50% The gel or stick is deemed translucent if the maximum transmittance ot such hght through the sample is between 2% and less than 35% A gel or stick is deemed opaque if the maximum transmittance ot hght is less than 2% The transmittance can be measured by placmg a sample ot the aforementioned thickness mto a hght beam ot a spectrophotometer whose working range mcludes the visible spectrum, such as a Bausch & Lomb Spectromc 88 Spectrophotometer s to this definition ot clear, see European Patent Apphcation Publication No 291.334A2 The active cosmetic matenal can be those compatible with the thickening agent and solvent therefor As mentioned previously, such active cosmetic mateπals can include, but are not limited to, deodorant and/or antiperspirant active mateπals. sunscreen matenals, emollients, fragrances, insect repellents, etc Conventional antiperspirant metal salts can be mcoφorated in the composition ot the present mvention. as the antiperspirant active material. See the aforementioned U S Patent 5.500,209, the contents ot which have previously been mcoφorated herem by reterence in their entirety, tor a desenpuon ot antiperspirant active matenals (tor example, antiperspirant metal salts, mcludmg aluminum salts) which can be mcoφorated in the composition ot the present mvention The polyamide gelling agent, whether or not havmg the sihcon-contaimng moieties, is stable in an acidic environment, so that the stability ot the composition accordmg to the present mvention. in the presence of conventional acidic antiperspirant metal salts, is excellent In the base composition, the gelling agent can be used in an amount ot 1-60 percent by weight, more particularly 5-30 percent by weight and most particularly 10-20 percent by weight It is preteπed that the gellant not exceed 50 percent by weight ot the base composition The sihcone fluid portion is m the range ot 5-95 percent bv weight, more particularly 10-80 percent bv weight, even more particularly 20-75 percent by weight and most particularly 30-70 percent by weight Examples ot such sihcon fluids mclude cylcomethicone and dimethicone Optionally, additional solvent or mixtures ot solvents may be added to form the base composition Suitable additional solvents are those which are either themselves or in mixtures with other solvents miscible in the oπgmallv selected sihcone Examples ot additional solvents mclude cosmetic esters (for example, the C 12- 15 lactate ester known as Ceraphvl 41 ). guerbet alcohols havmg 8-30 carbons, particularly 12- 22 carbons (for example, lsolaurvl alcohol, isocetyl alcohol, isostearyl alcohol), tatty alcohols (tor example, stearyl alcohol, ynstyl alcohol, oleyl alcohol), ethanol. and ethoxylated alcohols (tor example, the poivethvlene glycol ether ot lauryl alcohol that conforms to the formula CHι(CH 2 )ιoCH- > (OCH>CH 2 )„OH where n has an average value ot 4 (also called laureth -4)) Other examples mclude (a) PPG- 14 butyl ether, where the "PPG- 14" portion is the polymer ot propyiene oxide that conforms generally to the lormuia H(OCH7C(CH H) N OH. where n has an average value ot 14: (b) isopropyl myπstate; (c) PPG-2 myπstyl ether propionate which is the ester ot propionic acid and the polypropylene glycol ether ot myπstyl alcohol that conforms to the formula CH,(CH 2 ) I2 CH2(OCH(CH 1 )CH2) 2 O-C(O)CH 2 CH 3 ; and (d) PPG- 13 myπstyl ether which is the polypropylene glycol ether ot mynstyl alcohol that conforms to the formula CH3(CH 2 )ι 2 CH 2 (OCH(CH 3 )CH2)nOH where n has an average value ot 13 By usmg the base and cosmetic compositions of the present mvention the upper range of the amounts of sihcone fluids which can be mcoφorated in the gel is higher than amounts which can be incoφorated in convenuonal composiuons. Optionally, additional solvent or mixtures ot solvents may be added to torm the base composition Suitable additional solvents are those which are either themselves or m mixtures with other solvents miscible in the ongmally selected sihcone fluid (for example, C14-C20 tatty alcohols, isopropyl myπstate. adipate palmitate and isostearate) By usmg the base and cosmetic compositions ot the present mvention. the upper range ot the amounts of sihcone fluids which can be incoφorated in the gel is higher than amounts which can be incoφorated in conventional composiuons. The base composition is then mixed with the other mgredients hsted elsewhere so that the final cosmetic composition can be made Such additional mgredients can be used amounts of 0 5-85 percent, more particularly 1-75 percent and even more particularly 2-55 percent where the percentages are based by weight on the base composition as 100 percent. The lower percent ranges mclude formulations where only fragrances are used and the upper ranges mclude formulations contaimng active antiperspirant mgredients An antiperspirant active itself (excludmg any vehicle for addmg the active to the formulation) can be present m the final cosmeuc formuJauon m an amount of from 5-25 percent While siloxane umts have been defined above, more particular values tor R 1 and R 2 are methyl, ethyl and phenyl and an even more particular value tor each ot R 1 and R 2 is methyl While various sihcone fluids have been described above, particular sihcone fluids useful in the invention mclude cyclomethicone, dimethicone and phenyltπmethicone Vanous antiperspirant active materials, which may be mentioned by way ot example (and not ot a limiting nature), mcludmg aiununum chlorohydrate. aluminum chloπde, aluminum 5 sesquichlorohydrate, zirconyl hydroxychloπde. aluminum-zirconium hydroxychlondes, aluminum-zirconium glycme complex (for example, alurninum-zirconium tetrachlorohydrex- Gly and aiununum- zirco mum octachlorohydrex-Gly), aiununum chlorohydrex PG, aiununum chlorohydrex PEG. aluminum dichlorohyrex PG and aiununum dichlorohyrex PEG can be utilized as the antiperspirant active material m compositions accordmg to the present 10 mvention The compositions accordmg to the present mvention need not mclude aiununum contaimng metal salts, and can mclude other antiperspirant active matenals. mcludmg other antiperspirant active metal salts. Generally, Category I active antiperspirant mgredients hsted in the Food and Drug Administration's Monograph on Antiperspirant Drug Products tor Over-The-Counter Human Use (October 10, 1993) can be used. In addition, any new 15 drug, not hsted m this Monograph, such as aiununum mtratohydrate and its combmation with zirconyl hydroxychlondes and nitrates, or aluminum-stannous chlorohydrates. can be mcoφorated as an antiperspirant active ingredient m antiperspirant compositions accordmg to the present invention. The antiperspirant active can be mcoφorated mto compositions accordmg to the present 20 mvention m amounts in the range ot 0 1 - 30%. preferably 15 - 25%. by weight, ot the total weight ot the composition At amounts the lower end of the broader range (tor example. . I - 10%), the antiperspirant active material will not substantially reduce the flow ot perspirauon. but will reduce malodor. tor example, by acting as an anumicrobial matenal Where deodorant active matenals are mcoφorated compositions accordmg to the 25 present mvention, so as to provide deodorant compositions, conventional deodorant fragrances and/or antimicrobial agents can be mcoφorated as the deodorant active mateπals. A fragrance would, illustratively, be mcoφorated in an amount ot 0 5% - 3 0% by weight, ot the total weight ot the composition: the antimicrobial/bacteπostat material, such as Triclosan. can illustratively be mcluded in an amount ot from 0 1 % to about 0 5% by weight, ot the ^0 total weight ot the composition Cosmetic compositions accordmg to the present mvention include both a thickemng agent and a solvent tor the thickemng agent (in the present apphcation. the thickemng agent and solvent tor the thickemng agent provide a vehicle for the active cosmetic matenal. and have been so designated as a vehicle). The solvent for the thickemng agent is mcluded in the composition in an amount sufficient such that the thickemng agent can be dissolved there and gelled therefrom, and mcludes a sihcone fluid (for example, a sihcone oil, such as cyclomethicone and/or dimethicone). The thickening agent can be dissolved m the solvent and gelled therefrom, for example, upon cooling the composition during manufacture thereof. The solvent is not limited to only contaimng a sihcone fluid, and can contam other solvents for the thickening agent as long as such other solvents are compatible with, for example, the active cosmetic matenal and do not disadvantageously affect, for example, clarity of the composition, especially where it is desired to provide a clear cosmetic composition. For example, as defined in the CTFA International Cosmetic Ingredient Dictionary (4th Ed. 1991 ), an additional solvent mcluded in the composition can be C12- 15 alkyl lactate (which is an ester ot lactic acid and C12- 15 alcohols): this C 12- 15 alkyl lactate is vended by Van Dyk & Co., Inc. as "Ceraphyl 41 ". Solvents for the polyamide gelling agent, disclosed in U.S. Patent 5.500.209 can be used in compositions of the present mvention. The solvent for the antiperspirant active can be included in the composition in an amount within the range of 0-75 percent, preferably 0-25 percent, by weight, of the total weight of the composition. Illustratively, and not to be limiting, the solvents can mclude esters (for example, the CI2-15 lactate ester described above as Ceraphyl 41 ), silicone fluids (for example, cyclomethicone. dimethicone), guerbet alcohols havmg 8-30 carbons, particularly 12-22 carbons (for example, isolauryl alcohol, isocetyl alcohol, isostearyl alcohol), fatty alcohols (for example, stearyl alcohol, myπstyl alcohol, oleyl alcohol), ethanol. and ethoxylated alcohols (tor example, the polyethylene glycol ether ot lauryl alcohol that conforms to the formula CH 3 (CH 2 )ιoCH 2 (OCH2CH2)nOH where n has an average value of 4 (also called laureth-4)) Other illustrative solvents mclude (a) PPG- 14 butyl ether, where the "PPG- 14" portion is the polymer ot propylene oxide that conforms generally to the formula H(OCH 2 C(CHι)H) n OH. where n has an average value of 14: (b) isopropyl mynstate: (c) PPG-2 myπstyl ether propionate which is the ester ot propionic acid and the polypropylene glycol ether ot myπstyl alcohol that conforms to the formula CH 3 (CH2)i2CH 2 (OCHfCH CH2)2O-CrO)CH CH 1 ; and (d) PPG- 13 myπstyl ether which is the polypropylene glycol ether ot mynstyi alcohol that conforms to the formula CH 1 (CH2)ι 2 CH2(OCH(CH CH 2 ) I1 OH where n has an average value ot 13. Mixtures ot solvents can also be used. Of course, the gelling agent must be soluble m the solvent system, at least at elevated temperatures, as descπbed in U.S. Patent 5,500,209 Mixtures of solvents can also be used. Of course, the gelling agent must be soluble in the solvent system, at least at elevated temperatures, as described in U.S. Patent 5.500,209. Compositions accordmg to the present mvention desirably mclude sihcone-miscible emolhents. Illustrative emolhents. which are not hmitmg ot the present mvention. would mclude guerbet alcohols (such as isocetyl alcohol or isostearyl alcohol): esters (such as isopropyl palmitate. isopropyl isostearate, octyl stearate, hexyl laurate and isostearyl lactate); a hquid mixture of hydrocarbons which are hquids at ambient temperatures (such as petroleum distillates and hght mmeral oils); and ethanol. The sihcone-miscible solvents (also called emolhents) can be mcluded m the compositions of the present mvention amounts within the range of 0 - 70%. preferably 0 - 25%, by weight, ot the total weight ot the composition. Where a multi-phast: system is utilized as the composition ot the present mvention, preferably the composition mcludes a surfactant or surfactant blend. Surfactants illustratively mclude alkanolamides (such as N-alkyl pyrrolidone). ethoxylated amides (for example, the polyethylene giycol amide ot tallow acid that conforms generally to the formula RC(O)-NH- (CH 2 CH 2 O) n H where RCO- represents the fatty acids deπved from tallow and n has an average value of 50 (also called PEG-50 tallow amide)); amine oxides (for example, cocamidopropylamine oxide); ethoxylated carboxylic acids (for example, the polyethylene glycol diester of lauπc acid that conforms generally to the formula CH 3 (CH 2 ) 10 C(O)-(OCH2CH 2 ) 0 O-C(O)(CH 2 ) 1 oCH3 (also called PEG-8 dilaurate)); ethoxylated glyceπdes (for example, a polyethylene glycol deπvative of Castor Oil with an average ot 4 moles ot ethylene oxide (also called PEG-4 castor o l)); glycol esters (for example, propylene glycol πcmoleate); monogiyceπdes (for example, glycerol mynstate); polyglyceryl esters (for example, polyglyceryl-4 oleyl ether); polyhydric alcohol esters and ethers (for example, sucrose distearate); sorbitan/sorbitan esters (for example, sorbitan sesquusosiearate); tπesters of phosphonc acid (for example, tπoleth-8 phosphate (a material which is predommantly the tπester of phosphoric acid and ethoxylated oleyl alcohol with an average of 8 moles ot ethylene oxide)); ethoxylated alcohols (for example, laureth-4); ethoxylated lano n (for example, a polyethylene glycol denvative of Lanolin with an average of 20 moles ot ethylene oxide (also called PEG-20 lanolin)); ethoxylated polysiloxanes (for example, dimethicone copolyol); propyloxated polyoxyethylene ethers (for example, the polyoxypropylene. polyoxyethylene ether ot cetyl alcohol that conforms generally to the formula CH 3 (CH 2 ), 4 CH 2 (OCH(CH 3 )CH 2 )χ(OCH 2 CH 2 )vOH where x has an average value of 5 and y has an average value of 20 (also called PPG-5 ceteth-20)); and alkylpolyglycosides (for example, lauryl glucose). The surfactant (or surfactant blend) includes non-ionic compounds, and can also mclude blends thereof with catiomc (for example, the polyethylene glycol amine of tallow acid that conforms generally to the formula R-NH-(CH 2 CH 2 θ) n H (n = 15, also called PEG- 15 tallow amine)) or anionic (for example, sodium lauryl laurate which is the sodium salt ot the lauric acid ester of lauπc acid) surfactants. The surfactant or blend thereof mcoφorated m compositions accordmg to the present mvention can. illustratively, be mcluded in amounts of 0 - 15%. preferably 0 - 4%, by weight, ot the total weight ot the composiuon. As indicated previously, the compositions accordmg to the present mvention can be creams (semi-sohds or soft-sohds), gels or sticks, dependmg on amounts of thickemng agent mcoφorated in the composition. It is difficult to quantitatively distinguish between a cosmetic "gel" and a cosmetic "stick" Generally, a gel is more viscous than a hquid or than a paste which tails to retain its shape: however, it is not as ngid as a stick. Typically, it is understood that gels are soft, deformable products while sticks are free-standing solids. In the cosmetic field, systems are classified as gels or sticks dependmg on their viscosity or hardness alone: typically, it is understood that gels are soft, deformable products while sticks are stπctly tree-standing sohds. For example, by rheological analysis, α commercial deodorant stick has been determmed to have a plateau storage modulus G'(ω) ot roughly 10 5 Pa and a complex viscosity of 10 6 Pa second (both at an angular frequency of 0 1 rad-sec). On the other hand, a commercial antiperspirant gel has been determmed to have a G'(ω) value ot roughly 10 3 Pa and a complex viscosity ot 10 4 Pa second (at 0. 1 rad-sec). The thickening agent mcludes an amide thickemng agent which has silicon-containing moieties According to one aspect of the present mvention. such amide thickenmg agent can mclude a polyamide gelling agent havmg silicon-containing moieties Such smcon-modified polyamide can be tormed by a copolymerization techmque. which mvolves polymenzmg the polyamide from monomers which mclude a sdoxane monomer For example, the sdicon- modified polyamide can be a copolymer which is the product ot copolymerization of a dicarboxylic acid with diaminosiloxane oligomers. An illustration of such copolymerization utilizes an ohgosiloxane which is terminated at both ends with a-aminopropyl groups. Such an ohgosdoxane is called a siloxane diamine. a diaπuno siloxane ohgomer. or a, w-bis (aminopropyl) ohgodimethylsiloxane Such ohgomers would have the following structure: H 2 NCH 2 CH 2 CH 2 -(CH 2 Sι-(OMe 2 Sι) n -O(CH 2SιCH2CH 2 CH 2 NH, where n is an average value and varies trom 1-300. more particularl y trom 10- 100. even more particularly trom 10-40 and especially trom 10-30: and Me is methyl. This monomer is available at various average lengths trom Umted Chemical Technologies (Bristol. Pennsylvania). Wacker Silicones (Adrian . Michigan), Shin Etsu (Tokyo, Japan) and Gelest (Tullytown. Pennsylvania). The copolymer can mclude the sdoxane diamine as the sole diamine matenal in forming the copolymer, or preferably the copolymer can also mclude additional diamine (such as ethylene diamine and or hexamethylene diamine). Including such additional diamine would aid in producmg a sohd polymer, which can be useful in gelling fluids Desirably, the sdoxane diamine has n equal to at least 10, so as to provide better products Preferably, the number ot repeating sdoxane umts ("n" in the above formula) ranges between 10 and 30 Siloxanes with low "n" are relatively expensive, while sdoxanes with high "n" (n greater than 30) will be hard to react. Generally, the copolymers are produced utdizing the following Reacuon Scheme I: REACTION SCHEME I Y(CH2) n SιR2θ(R 2 SιO) rn R2Si(CH 2 ) α Y + X-R'-X > -[C(=O)NH(CH 2 ) n SιR 2 O(R 2 SiO) m R 2 Sι]CH2)„NHC(=O)-R , ]X- where: n is an average value and is selected to be in the range ot 2- 10, preferably 3-6: R at each occurcence is mdependently selected from the group consistmg ot methyl, ethyl, propyl, isopropyl and phenyl wherem the phenyl may optionally be substituted by 1-3 of a member of the group consistmg of methyl and ethyl; more particular values tor R are methyl, ethyl and phenyl, especially methyl: R 1 is selected from the group consistmg of (a) a straight or branched alkyl cham havmg 1-40 carbons, particularly 2-20 carbons and especially 2-6 carbons optionally substituted by at least one ot methyl, ethyl, propyl. isopropyl, hydroxy, carboxyl and phenyl groups wherem the phenyl may optionally be substituted by 1-3 ot a member ot the group consistmg ot methyl and ethyl, wherem the alkyl cham may optionally contam at least one an alkenyl bond and (b) an alkyl cham contaimng at least one cychc or phenyl group wherem said cham has 7- 40 carbons, particularly 7-20 carbons, and may optionally be substituted by at least one of methyl, ethyl, propyl. isopropyl. hydroxy. carboxyl and phenyl groups wherem the phenyl may optionally be substituted by 1 -3 of a member of the group consisting ot methyl and ethyl, wherein die alkyl cham may optionally contam at least one alkenyl bond: X = NH 2 when Y = CO 2 H and X = CO 2 H when Y = NH 2 . Thus, as seen in the foregoing reaction, the sdicone-containing monomer can be either the diacid or the diamine. Mixtures of diacids (dicarboxyhc acids) as well as mixtures ot diamines can be used m the polymerization. Illustrative diacids for making the copolymer mclude dimer acids (hydrogenated or non-hydro genated), adipic acid, butanedioic acid, tartaπc acid, glucoruc acid, oxalic acid, diglycohc acid, malonic acid, succinic acid, glutanc acid, mahc acid, maleic acid, dodecanedioic acid, terephthalic acid and isophthahc acid, and mixtures. If a sdicon- based dicarboxyhc acid is used, a variety ot diammes could be used to make the polyamide (for example, ethylene diamine. hexamethylene diamine. pipeπzme. phenylenediamine. etc.). Alternatively, the silicon-containing polyamide gelling agent can be produced by sdyl amidation of dimer-based polyamides. This approach mvolves the reaction ot free acid sites existing on an onginal polyamide as terminal sites, with oligosdoxane-amines and/or ohgosiloxane-diammes ( amidation reaction), or alternatively with ohgosdoxane-alcohols or ohgosdoxane-diols (esterification reaction ). The esterification reaction requires the presence ot acid catalysts, as known in the art. It is desired that the polyamide havmg tree acid sites, utilized for the amidation or esteπfication reaction, have a relatively large number of acid end groups (for example, polyamides with high acid numbers of, for example, 15-20). For the amidation of free acid sites of polyamides. illustratively (and not to be limiting) sdoxane diammes with n (sdoxane groups) equal to 1 -300. more particularly 2-50 and even more particularly selected from the group consistmg of 2. 6. 9 5. 12. 13.5. 23 and 3 1 can be used tor reaction with dimer-based polyamides. where n is an average number Best results have been achieved with the sdoxane diamme havmg n = 13.5. and with polyamides contammg high levels ot carboxyhc acid end-groups. Reactions were performed either in xylene to extract produced water from the solution by azeotropic distillation, or at higher temperatures (around 180°C-200°C) without solvents. Typically, the efficiency of the amidation and reaction rates decrease when the sdoxane diamme LS lonεer (higher . Free amine sites can be capped after the initial amidation reaction ot diaminosdoxanes by reacting wim either sdoxane acid or an organic acid such as benzoic acid. For the esterification of free acid sites on polyamides, this can be performed in boiling xylene with about \ % by weight (of the total weight of the reaction materials) para toluene sulfonic acid as catalyst. In the amidation of the free acid sites, cyclomethicone incorporation ability increases as the number of sdoxane groups amide group increases, as shown below in Table A: TABLE A An example of is amidation is shown in the following Reaction Scheme U: REACTION SCHEME II R 2 -[(CH,) 2 SiO] n -(CH 3 ) 2 Si(CH 2 ) 3 NH 2 + HO 2 C-[NHC(=0)-C(=0)NH-] > R 2 -[(CH 3 ) 2 SiO] n -(CH 3 ) 2 Si(CH 2 ) 3 NHC(=O)-[-NHC(=O)"C(=O)NH-] where R 2 is selected from the group consistmg of hydrogen, methyl, ethyl, propyl and isopropyl, butyl, and straight chain and branched ammo alkyls havmg 1 -4 carbons (particularly aminopropyl); and n is an average value and LS selected to be 1 -40, particularly 1 -30. more particularly 1 -25, with a particular group be g a value selected from the group consisting of 1. 2. 3, 7, and 21. The product ot this reaction provides a polyamide backbone with sdoxane terminauon sites. In these reactions, sdicone moieties are mcoφorated only at the cham ends. The resulting polymers have relatively large compatibihty with silicone fluids, the enhanced compatibihty being greater when the starting (original) polyamides have high acid numbers. Illustratively, but not limiting, the original polyamide can be a dimer based polyamide hot melt adhesive resin such as Unirez 2973, trom Union Camp Coφ. This polyamide has 5% to 10% free acid sites. If sdoxane diamines are used (that is. an amidation reaction is used), a free amine group is incoφorated into the polymer. This free amme group can be reacted with various organic or suicone-based carboxyhc acids (for example, disdoxane-dipropionic acid) to produce another amide bond. It is thought that the final product should not have tree amme sites, because these groups may result in lower product stability. Preferably, the silicone-modified polyamide formed by this sdyl amidation is obtained by reacting high acid polyamide with oligosdoxane diammes having an average trom 10 to 13 repeating sdoxane units. The reactants were refluxed in xylene usmg a reaction assembly consisting of a azeotropic finger to constantly extract the generated water. If the original polymer (polyamide) contams free am e sites, rather than free acid sites the sdoxane reagent should contam an acid group mstead ot the amine to enable the amidation reaction. As a third alternative for providing the silicon-modified polyamide gelling agent, an original polyamide havmg, for example, an ethylene diamme component is reacted with an ohgosiloxane diamine at elevated temperatures (for example. 200°C to 300°C) so as to perform transamidation whereby the ethylene diamme component in the original polyamide is replaced by the oligosdoxane diamine. It is preferred that the level of replacement be at most 50%. 50 as to limit reduction of the gelation capability by the polyamide. Polyamides modified by transamidation in this way exhibit greater compatibihty with sihcone fluids (for example, clear gel compositions can be produced m which the olvent system is approximately 60% cyclome ucone). For performing ihe iransamidation. dlustratively the original polyamide can be polyamides as described in U.S. Patent 5.500.209. referred to previously, or a polyamide with a high acid number. The transamidation takes place at temperatures above 200°C. When higher temperatures are used, reaction time LS very short (for example, 0.5 hours to 300°C). Sdoxane diammes with n (average number of sdoxane groups) from 10 to 15 are most suitable for these reactions. Free amine sites formed duπng the transamidation can be capped by reaction with either sdoxane carboxyhc acid or an organic acid such as benzoic acid. Polyamide chams can also be broken during the transamidation. The polymer products obtained are not as hard as those formed by end-site amidation reactions: however, they are less sucky. This reaction is very simple and easdy controlled. A stdl further alternative approach to form the sdicon-modified polyamides is the reaction of polysdoxanes bearing amino or alpha-carboxy groups which can react with orgamc acids or ammes respectively to provide a polyamidosdoxane. havmg oligosdoxane groups. Aπunopropyl sdoxane copolymers. as the original polymer to be reacted with an organic acid, are commercially avadable. This approach is dlustrated in the folio wmg Reacdon Scheme III; REACTION SCHEME m -[(CHι) 2 SiOl m [(CH Si(-R i -CH2NH2)O) n -. + R -CO 2 H > -[(CH 2SiOU(CH Si(-R i -CH2NHC(=O)R 4 )O] π - where R 3 is selected from the group consisting of -NH-: straight and branched chain C2-C40 alkylenes optionally containing at least one double bond or phenylene group, and where R 3 is particularly C 1-C20. more particularly C2- 10, and even more particularly ethylene: R 4 is selected from the group consisting of C1-C40 straight and branched chain CI -C40 alkylenes optionally containing at least one double bond or phenylene group, and where R 4 is particularly C 1 -C 10: and n and m are average values and are each mdependently selected from the group 1- 1000. articularly I - 100 and more particularly 1 -50. The polymer skeleton in this case is based on sdoxane monomeric umts and the amide groups are pendant. In addition to the foregoing, original polyamides (not contammg sdicon moieties) can be modified, with the modified polyamides utilized in the composition of d e present invention as the polyamide gelling agent, by grafting the polyamide with pendant oligosdoxane groups. This can be done in many ways, including (but not limited to): (a) hydrosϋylation of unsaturated bonds in non-hydrogenated dimer-based polyamides: (b) silylation of the amide groups m polyamides: and (c) silylation ot unsaturated polyamides via oxidation. The substitution by hydrosdylation reaction of unsaturated functional groups found in the polymeric skeleton as integral species of the dimer acid used as the copolymeric u t in the polyamide provides very stable Si-C bonds. This approach is shown by the followmg Reaction Scheme IV: REACTION SCHEME IV -NHC(=O)--=-C(=O)NH-] + (R") R' 2 )(R i 3 )SiH or -[CH»SiHO]„- Polymer C where n = 1 - 100 catalyst --- > [-NHC(=O)-HC(Si(R")(R 12 )(R 13 ))-CH 2 -C(=O)NH- where each ot R 1 1 . R ι: and R ij are independently selected trom die group consisung ot methyl, ethyl, propyl, isopropyl, butyl, isobutyl, phenyl and a siloxyl group of Formula IN: CH,-Sι ( CH 2-O-[Sι(CH 2-O-] n - Formula IN where n is an average value and is selected to be in the range ot 1- 100. Examples ot suitable values tor "(R u )(R 12 )(R 13 )SiH" are, illustratively: (CH 3 SiH. (CH 3 ) 0 Plh.„SiH. (CH 3 ) 3 SiO-[(CH 3 ) 2 SiO] n -(CH 3 ) 2 SiH. and (CH 3 ) k Bu 3 . k SiH. where k = 0. I , 2 or 3 and (CH 3 ) 3 -Si-O-[CH,SiHO] n -(CH 3 ) 2 SiH. Examples ot suitable values for catalysts are organometallic catalysts such as: H 2 PtCU,Ru 3 (CO)i2,(Ph- 1 P)3RhCl. and others which have the effect ot lowering the activation energy ot the reaction. In the present situation (hydrosdylation of unsaturated bonds), as well as m the other reaction schemes desenbed herein, the R groups of the sdylated compounds, and the number ot substitutions on the polymer, can affect polymer properties ( for example, lubπcity, crystallinity). In forming polyamides by hydrosdylation of unsaturated bonds, it is preferred to use origmal polyamides havmg higher concentrations of unsaturation This can accomphshed by torπung the origmal polyamide usmg a highly unsaturated dimer acid, or usmg vanous diacids (such as ltaconic acid, ma c acid, maleic acid, etc. ) which contam reactive groups, or by end-capping with an unsaturated mono-acid (such as hnoleic acid). In these cases, the polymers are first reacted with sdoxane ammes or alcohols to eliminate any tree acid sites, and then completely dπed. After these steps, the hydrosilylation is performed. As mentioned previously, the sdicon-containing polyamide gelling agents utilized the present mvention can be formed by sdylation of amide groups in origmal polyamides. This provides substitution on the amide functional sites This substitution on the amide functional sites is by catalytic reaction between hydπdosdoxane and the amide, which can lead to the lormation of three potential substituted arrangements, as shown in the followmg Reaction Scheme V: REACTION SCHEME V -~NH-C(O)~- + (R n )(R 12 )(R i )SiH catalvso gives the following possible products at that reaction site: -NH-CH[O-Si(R u )(R l2 )(R 13 )]- ; -C(O)N-Si-(R n )(R 12 )(R i3 )- ; and -N=C[O-Si(R π )(R 12 )(R 13 )]-. Whde sdylation of the amide groups improves compatibihty with the s icone ods. destruction of the amide groups reduces gelation capabilities. In addition, the sdicon-modified polyamides can be formed by sdylation of unsaturated polyamides via oxidation. That is. the unsaturated groups can be oxidized to alcohols or diols and then the newly developed hydroxyl groups can be reacted with either sdoxane carboxyhc acids or sdoxane alcohols. Alternatively, the olefinic sites of the unsaturated polyamides can be epoxidized, followed by typical epoxy-ring opening with sdoxane ammes or sdoxane alcohols. As described previously, the thickemng agents accordmg to the present mvention can mclude a sdoxane diamide wax and polyamide gelling agent, the wax acting as a co-former thickemng agent. The diamide wax can be formed, for example, by reacting two or more equivalents of stearic acid with a. w-bis (aminopropyl) ohgodimethylsdoxane. according to the followmg Reacuon Scheme VI: REACTION SCHEME VI H2N(CH 2 )3-(CH-.)2Si ( O ( CH,)2Si) n (CH,) 2 Si ( CH 2 )3NH2 + 2 R ,6 CO 2 H — > R l6 CONH(CH 2 ) 3 -(CH 2 Si(O(CH,) 2 Si) n (CH 2 Si(CH 2 )3NHCOR 6 where R 16 is a C1-C40 aliphatic straight or branched cham group, particularly C1-C18: examples of suitable values for R 16 include stearyl. oleyl. lauryl and ethyl: and n is an average vaiue and is selected from the range 1- 1000. particularly 1- 100 and more particularly 1-50. The amine groups need not all be reacted in forming the diamme wax; that is, it can be acceptable to have diamme compound reacted only partially, leaving some free amme groups in the sdoxane diamide wax. Illustratively, steaπc acid, oleic acid, lauπc acid or acetic acid can be used as the carboxyhc acid in the loregoing, and the oligosdoxane length in the diamide umt can preferably range from 2 to 32. Compositions accordmg to the present mvention contam a sufficient amount of the thickemng agent such that the final cosmetic composition is a sohd composition, for example, a gel or suck. Illustratively, compositions according to the present mvention mclude. m percent by weight of the total weight ot the composition. 10%-95% solvent and 2%-40% siliconized polyamide gelling agent. For compositions accordmg to the present mvention conta mg the sdoxane diamide wax co-gellant. illustrative amounts of the components in the composition (in percent by weight, ot the total weight of the composition) mclude 10%-95% solvent, 2%- 40% gelling agent (for example, dimer-based polyamide gelling agent), and l %-20% sdoxane diamide wax co-gellant. In either case, and illustratively (and not hmitmg), ihe sdicone fluid solvent is preferably mcluded in the composition an amount ot l %-95%. more preferably 30%-95%, most preferably 50%-95%. by weight, of the total weight ot the composition. The composition according to the present mvention can include other ingredients conventionally incoφorated in solid cosmetic composiuons. for example, deodorant or antiperspirant gels and or sticks, particularly if claπty is not a factor. These other ingredients could include an acuve phase (which may include water or glycol), waxes, other thickeners, surfactants, stabilizers, color and fragrance. As for various other ingredients which can be incoφorated. attention is directed to die optional components such as hardeners. strengtheners. chelating agents, colorants, perfumes, emulsifiers and fillers, descπbed in the v nous patent documents hsted in the lodowing. all incoφorated by reterence herem m their entirety U S Patent No 3.255.082 to Barton: U.S. Patent No 4.049.792 to Elsanu: U.S Patent No 4.137.306 to Rubino. et al : and U S. Patent No 4.279.658 to Hooper, et al Attention is also directed to U S. Patent 5,500.209. the contents of which have previously been mcoφorated herem by reterence in their entirety, tor vanous optional components, and amounts thereof, which can be mcoφorated m the composition of the present mvention. Where the composition is a deodorant composition, or an antiperspirant composition, deodorant active materials can be mcoφorated so as to provide deodorant active matenals combattmg body malodor For example, a fragrance and or antimicrobial agent can be mcoφorated. Fragrances and or antimicrobial agents ore mcoφorated in conventional amounts The degree ot freedom in incoφorating optional mgredients is mcreased. where a clear composition is not being tormed (for example, where a translucent composition, or, especially, where an opaque composition, is bemg tormed) Compositions accordmg to the present mvention can be made by mixing the vanous components at an elevated temperature (that is, by heating and mixing the vanous components) and then cooling in order to torm the gelled (sohddϊed) composition, for example, as a gel or stick Desirably, any voiatde components (such as fragrances) are added to the mixture at a relatively late stage of the mixing, so as to limit volatdization of the voiatde components Generally, the solvent and thickemng agent (mcludmg polyamide gelling agent) are mixed and heated so as to fully dissolve the thickening agent the solvent. An active mgredient (for example, antiperspirant active material, for example, in dry torm or as part of a solution) can be added after the thickening agent fully dissolves, and mixing then takes place. Mixing contmues with cooling, with, tor example, colorant and fragrance then bemg added Thereafter, the result g composition, still hquid. is poured mto canisters, for example, dispensing packages, and solidified, as with conventional stick and gel compositions The compositions accordmg to the present mvention are used in the same manner as conventional gel or stick compositions, dispensed from, for example, dispensing containers. For example, the gel or stick, exposed out of the dispensing package, is rubbed on skin, so as to deposit the active material (for example, antiperspirant and/or deodorant active materials) on the skin. Illustratively, where a composition is an antiperspirant composition containing an antiperspirant active material for reducing perspiration the axillary regions, and exposed portion of the composition is rubbed against axillary regions of the human body, so as to deposit the antiperspirant active material and, if present, deodorant active material, on the skin in the axdlary region. The composition, both during the deposition on the skin and after apphcation, has reduced tackiness and stickiness, as discussed previously. In the following, illustrative contemplated examples ot compositions within the scope of the present mvention are set forth. These contemplated examples are dlustrauve ot the present mvention. and are not limiting. Amounts of components in these examples are in weight %. of the total weight of the composition. In the followmg examples, as well as throughout the present specification, various names utilized are the CTFA (Cosmetics. Todetries and Fragrance Association. Inc. ) names, as set forth in the CTFA International Cosmetic Ingredient Dicuonary (4th Ed. 1991 ). The followmg Table B shows specdϊc silicon-modified polyamide gelants and amide wax co-gellants. Examples 2 and 3 form amide wax co-gellants ot this mvention. Examples 1.4 and 5 are Examples dlustrated for comparison and are covered in a separate co-pending application. Table B mole % of additive calculated based on the NMR integration compaπson between the Si(CH 3 ) group and -CH 3 group of the PA. b mol ratio relative to counter acid. Table C shows tormulations of Examples 1-5 from Table B in various solutions. In Table C, C-41 is Ceraphyl 41 and. together with the cyclomethicone. is a solvent for the formulations shown. One ( 1 ) gram of each formulation was used, except for those in a formulation weight rauo of "(0.5/1.0)", which contained 1.5 grams of the formulation, in these examples, the polyamide (PA) used was Unirez 2973. TABLE C Thus, according to the present mvention, a solid (for example, gel or stick) composition, havmg enhanced compatibihty with sihcone fluids, is provided. The compositions can provide clear cosmetic (for example, antiperspirant and or deodorant) compositions, utdizing a polyamide gelling agent, whde providing a composition havmg unproved apphcation and cυsmeuc properties, including reduced tackiness and stickiness. Formulations which could be used to form actual products are shown as follows. A composition of the mvention may be substituted for the term "sdicon-modified polyamide (gellant)". 1 ) Deodorant stick sdicon-modified polyamide (gellant) 12% C12-15 alkyl lactate (Ceraphyl 41 ) (emollient) 35% cyclomethicone (sihcone fluid) 52% fragrance (deodorant active) 1% 2) Antiperspirant stick sdicon-modified polyamide (gellant) 12% aluminum chlorohydrate (antiperspirant acuve) 25% cyclomethicone (sihcone fluid) 35% C12- 15 alkyl lactate (Ceraphyl 41 ) (emollient ) 28% 3) Deodorant gel sdicon-modified polyamide (gellant) 6% C12- 15 alkyl lactate (Ceraphyl 41 ) (emollient) 38% cyclomethicone (silicone fluid) 55% fragrance (deodorant active) 1 % While we have shown and desenbed several embodiments in accordance with the present mvention. it is understood that the same is not limited thereto, but LS susceptible to numerous changes and modifications as known to one havmg ordinary skill in the art. and we therefor do not wish to be limited to the details shown and descπbed herem. but mtend to cover all such modificauons as are encompassed by the scope of die appended claims.

Claims: WE CLAIM: 1. A cosmetic composiuon. compπsing: a base composition comprising a solvent and a thickemng agent in an amount sufficient to provide a solid cosmetic composiuon wherein: (a) the solvent comprises a sdicone fluid and is included in an amount sufficient such that the thickening agent can be dissolved therein and gelled therefrom: and (b) the thickemng agent comprises a wax itself contaimng silicon moieties and a polyamide to enhance compatibihty of the sdicone fluid in the composition. 2. A cosmetic composition according to Claim 1 wherein the composiuon contains at least one additional sihcone fluid. 3. A cosmetic composition according to Claim 1 wherein the composition contains at least one acuve ingredient. 4. A cosmetic composition according to Claim 1. wherem the active cosmetic matenal is a deodorant active material, whereby the composition is a deodorant composition. 5. A cosmetic composition according to claim 1. wherem the active cosmetic matenal is an antiperspirant active material, mcoφorated in the composition in an amount sufficient to reduce amount of perspiration, whereby the composition LS an antiperspirant composition. 6. The antiperspirant composition according to Claim 3, wherem said anuperspirant active material compπses at least one antiperspirant active aluminum salt. 7. The antiperspirant composition according to Claim 6. wherem said composition is a clear composition. 8. A cosmetic composiuon accordmg to Claim 1. wherein said composiuon is a clear composition. 9. A cosmeuc composition according to Claim 1 , wherein the thicken g agent is included in the composiuon m an amount sufficient to form a cosmeuc gel composition. 10. A cosmetic composition according to Claim 1, wherein the thickenmg agent is included in the composition an amount sufficient to form a cosmetic stick composition. 1 1. A cosmeuc composiuon according to Claim 1 , wherein said thickening agent compnses a wax and a polyamide gelling agent both of which contain silicon-containing moieties. 12. A cosmetic composiuon according to Claim 1 , wherein the polyamide gelling agent is a copolymer formed from a diamino or diacid siloxane monomer. 13. A cosmetic composition according to Claim 12, wherem the sdoxane monomer is a sdoxane diamme, the sdoxane diamme reacting with a dicarboxyhc acid to form the polyamide gelling agent. 14. A cosmetic composition according to Claim 13. wherein die siloxane diamine has the following formula: H 2 NCH 2 CH 2 CH 2 -(CH3) 2 -Si-(O(CH3)2-Si) n -(CH3)2SiCH 2 CH2CH 2 NH2, where n has a value from 1 to 300. 15. A cosmetic composition according to Claim 14 wherein n has a value of 1 to 100. 16. A cosmetic composition according to Claim 15 wherein n has a value of 10 to 40. 17 A cosmetic composition accordmg to Claim 16 wherein n has a value ot 10 to 30. 18. A cosmetic composiuon according to Claim 12. wherein die copolymer is the reaction product ot a dimer acid, a siloxane diamme and another diamme. 19. A cosmetic composition according to Claim 1, wherem the polyamide gelling agent is an agent formed by reactmg free acid sites on an origmal polyamide with oligosdoxanes each contammg at least one amine group. 20. A cosmetic composition accordmg to Claim 1. wherem the polyamide gelling agent is an agent formed by substituting an oligosdoxane diamme for a diamme. in an onginal polyamide formed by reactmg the diamme with a dimer acid. 21. A cosmetic composiuon according to Claim 1. wherem the polyamide gelhng agent is an agent formed by grafting pendant oligosdoxane groups on an onginal polyamide. 22. A cosmetic composition according to Claim 1 , wherem said thickenmg agent further compnses a second polyamide gelling agent as an additional duckening agent. 23. A cosmetic composition according to Claim I . wherem the wax is a sdoxane diamide wax and is a reaction product of stearic acid and α. w-bis (aminopropyl) ohgodimethylsdoxane. 24 A cosmetic composition according to Claim 23, wherem said thickemng agent comprises a polyamide gelling agent which is a reacuon product of a dimer acid and a diamme. 25. A cosmetic composition according to Claim 1. wherem said sdicon-containmg moieties are siloxane moieties. 26. A cosmetic composition accordmg to Claim 1. wherem the amide thickemng agent mcludes a polyamide gelling agent havmg sdicon-containing moieties, and the cosmetic composition mcludes. in percent by weight of the total weight ot the composition, 10- 95% solvent and 2-40% ot said polyamide geUin agent. 27. A cosmetic composition according to Claim 26, wherem the composition includes 1-95% by weight sihcone fluid, of the total weight of the composition. 28. A cosmetic composition accordmg to Claim 27, wherem the sdicone fluid is mcluded in the composition m an amount of 50-95% by weight, of the total weight of the composition. 29. A cosmetic composition accordmg to Claim 1 , wherem the thickemng agent compπses a sdoxane diamide wax and a polyamide gelling agent, the composition including, in percent by weight of the total weight of the composition, 10-95% solvent, 2-40% polyamide gelling agent, and 1 -20% siloxane diamide wax. 30. A cosmetic composition according to Claim 29. wherem the composition mcludes 1-95% by weight sihcone fluid, of the total weight of the composition. 31. A cosmetic composition accordmg to Claim 30. wherem the sdicone fluid is mcluded in the composition in an amount of 50-95% by weight, of the total weight of the composition. 32. A cosmetic composition according to Claim 1 wherein said cosmetic composition comprises a base composition compnsing in percent by weight of the total weight of the cosmetic composition. 10-95% solvent. 2-40% polyamide gelling agent, and 1 -20% sdoxane diamide wax. 33. A cosmetic composition accordmg to Claim 32. wherem the base composition compnses 1-95% by weight silicone fluid, ot the total weight ot the cosmetic composition. 34. A cosmetic composition accordmg to Claim 33, wherem the base composition compnses 50-95% by weight sdicone fluid, of the total weight of the cosmetic composition. 35. A composition accordmg to Claim 1 further comprismg additional solvents selected from the group consistmg of solvents which are themselves miscible m the sdicon fluid and mixtures of solvents which as a mixture are miscible in the sdicone fluid. 36. A method of making a cosmeuc composition, compπsing the steps ot: (a) obtaining a wax havmg silicon-containing moieties: (b) obtaining a polyamide, said polyamide opuonally havmg sdicon-contaming moieties; (c) combining said wax and said polyamide to form a tiiickening agent: (d) mixing said thickemng agent, with a cosmetically active material and a solvent for the thickemng agent, the solvent including α sdicone fluid, an amount of cosmetically active material mcluded in the composition bemg sufficient to achieve a cosmetic effect, an amount of the thickemng agent bemg sufficient to provide the composition as a solid, and an amount of the solvent in the composition bemg sufficient to dissolve the thickemng agent, so as to form a mixture: and (e) torming the mixture into a solid, so as to thereby provide the cosmeuc composiuon. 37. The method accordmg to Claim 36, wherem the step ot formmg the polyamide mcludes reactmg a sdoxane diamme with a dimer acid as to form a polyamide gelling agent containing sdicon moieues. 38. The method accordmg to Claim 37, wherem the step of formmg the amide mcludes reactmg a diamme with a dicarboxyhc acid, the dicarboxyhc acid contammg sdoxane groups. 39. The method according to Claim 38, wherem the step of forming the polyamide includes reacting a polyamide having free acid terminal sites with an ohgosdoxane amine or alcohol so as to incoφorate silicone moieties at die terminal sites. 40. The method according to Claim 38, wherein the ohgosdoxane amine is selected from the group consisting ohgosiloxane monoamines and diamines. 41. The method according to Claim 40, wherein the ohgosdoxane alcohol is selected from the group consisting of oligosdoxane monohydroxyaikyl and dmydroxyalkyl compounds. 42. The method according to Claim 38, wherein the step of forming the amide includes subjecting a polyamide to a transamidation reaction to substitute ohgosdoxane diamines for a diamine component of the polyamide. so as to incoφorate the ohgosdoxane diamines in the polyamide. 43. The method according to Claim 38, wherein the step of forming the amide includes grafting pendant ohgosiloxane groups on an original polyamide. 44. The method according to Claim 43, wherein the original polyamide has unsaturated bonds, and the ohgosdoxane groups are grafted on the original polyamide by hydrosdylation of the unsaturated bonds. 45. The method according to Claim 44, wherem the ohgosdoxane groups are grafted on the original polyamide by sdylation of amide groups of the original polyamide. 46. The method according to Claim 43, wherein the original polyamide has unsaturated bonds, and the ohgosdoxane groups are grafted on the original polyamide by oxidizing the original polyamide at the unsaturated bonds and reacting the resulting product with siloxane group-containing alcohol or siloxane group-containing carboxylic acids. The method accordmg to Claim 43. wherem the origmal polyamide has unsaturated bonds, and the ohgosdoxane groups are grafted on the origmal polyamide by epoxidizing sites ot the unsaturated bonds and reactmg a resultmg product of epoxidation with siloxane ammes or sdoxane alcohols. A cosmetic composiuon, compnsing: (a) an acuve cosmetic matenal, an amount sufficient to have a cosmetically active effect; (b) a thickenmg agent comprising a wax and a polyamide gelling agent, mcoφorated m the composition m an amount sufficient to form a solid composition, wherem at least the wax contains silicon-containing moieties; and (c) a solvent tor the thickenmg agent, in an amount sufficient such that the thicke ng agent can be dissolved therein and geded therefrom, the solvent mcludmg a sdicone fluid, whereby the thickemng agent mcludmg sdicon-containmg moieties enhances compatibdity ot the sdicone fluid m the composition as compared to where a thickening agent without sdicon-containing moieties is used A cosmetic composition, compπsing: (a) an active cosmetic matenal. in an amount sufficient to have a cosmetically active effect: (b) α thickenmg agent compπsing a sdoxane diamide wax and a polvamide gelhng agent wherem the polyamide gelhng agent and sdoxane diamide wax are mcluded in the composiuon in an amount sufficient to torm a solid composition: and (c) a solvent for the polyamide gelling agent and the sdoxane diamide wax, the solvent mcludmg a sdicone fluid, the solvent bemg mcoφorated the composition m an amount sufficient such that the polyamide gel ng agent and the sdoxane diamide wax can be dissolved therem and gelled therefrom, the sdoxane diamide wax enhancing compatibdity ot the sdicone fluid the composition as compared to a composition contammg said polyamide gelhng agent and no sdoxane diamide wax

Inventors: BLUM YIGAL, CHEN HUIYONG PAUL, MENDOLIA MICHAEL S, VINCENTI PAUL, WU HUI-JUNG, BLUM, YIGAL, CHEN, HUIYONG (PAUL), MENDOLIA, MICHAEL, S., VINCENTI, PAUL, WU, HUI-JUNG
Applicants: COLGATE PALMOLIVE CO, COLGATE-PALMOLIVE COMPANY
Application year: 1997
Main classification: A61K7
IPC codes: A61K8, A61Q15