PRODUCT FOR PROTECTING, NOURISHING AND TREATING THE SKIN

Abstract: The invention relates to a product for treat­ ing skin adapted,in particular,to provide a protective, hydrating,trophic,anti-wrinkle,lenitive action,which product comprises a combination,as complete as possible, of the biopolymers forming natural mucous substances coating the mucous membranes of living organisms. More specifically,this product can be used in the dermatological field as a base element for prepar­ ing several cosmetic and curative products.

Description: BACKGROUND OF THE INVENTION The present invention relates to a product which can be used in the dermatological field as a base element for preparing several cosmetic and curative products. A lot of skin treating products are commercially available the composition of which includes one or more substances which are considered as useful for treating skin defects generated by different causes, both of the inner and outer type. These substances,which posses a more or less satisfactory efficacy can be either of chemical,vegetable or animal type. In particular a great improvement in this field has been achieved based on the study of the mucous layer which continuously covers the mucous membranes of living organisms. As is known, this protecting layer efficiently protects the mucous cells from outer attacks of physical,chemical and microbiological nature,as well a: against inner attacks,such as,for example,secretions occurring during a digestive process and against toxins which can be formed in the human body because of several reasons. Notwithstanding this,it has been generally found that the mucous cells,in particular the gastric mucous cells,can survive and properly operate even in a hostile environment,because of the presence of enzymes and hydrochloric acid,since these cells are able of secreting particular biopolymers,forming a mucous layer which protects the cells against the gastric environment attack. More specifically,the mentioned mucous layer, in addition to favouring and adjusting exchanges,has a protective,lubricating,antibacteric,hydrating and detoxicating activity. Since several self-evident analogies between the mucous layers of the digestive apparatus and the human skin exist,because of the analogous structure and coating function,it should be obvious to assume that natural colloids (biopolymers) which provide an extraordinary recovering and protecting action on gastric mucous membranes,would have a like action on human skin. At first,such an extraordinary protective action of the mucous membranes has been mainly ascribed to the presence of particular compounds ( glycoproteins) which are generally called "mucine".Accordingly such a substance has been broadly used in a lot of dermatological products,with consequent greatly interesting results. However,it has been observed that a very high purification of mucine,instead of providing more active compounds,lowers,the used dose being the same,the skin protecting characteristics. Based on the above observation and practical experiments,carried out at the cutaneous level,by mucine-based compounds,in association with other biopolymers,in natural ratios,and by purified mucine,it has been found that the hydrating,softening,invigorating,anti-wrinkle action of the purified mucine based product is much smaller. From the above it can be deduced that the several substances (mucouspolysacarides,proteousglycanes,proteins and nucleic acids) which are present in the full extract,synergically operate,together with the glycoproteins of mucine,to increase the activity thereof. The document FR-A-2 261 755 discloses a method for preparing a pharmaceutical composition and a pharmaceutical composition prepared thereby, but it does not disclose or address the problem of preparing cosmetic compositions: this document, moreover, does not provide any quantitative analysis for the active substances contained in the pharmaceutical composition, which, accordingly, can not be qualified; this document, finally, does not define any mutual ratio between the biopolymers. The document PATENT ABSTRACTS OF JAPAN, vol.12, No. 299 (C-250) and JP-0-63 68 512 disclose the use of gastric mucine but not of a biopolymer mixture like that taught by the Applicant it this new biopolymer mixture, moreover, is neither taught by the documents FR-A-1 957 which exclusively discloses proteins and polypeptides for a pharmaceutical use, nor by the document FR-0-2 487 197 which does not provide to use nucleic acids. SUMMARY OF THE INVENTION Accordingly,the aim of the present invention is to provide such a product for protecting,nourishing and treating skin,adapted to be used as a base for preparing a lot of cosmetic products,which includes all of the biopolymers associated with natural mucine. According to one aspect of the present invention, the above aim is achieved by a product for protecting, nourishing and treating skin, having the features of claim 1. This mixture,the composition of which can vary within limits of ± 20% is such as to provide very improved results with respect to those which can be obtained by the single components and,in particular, by pure mucine and,more specifically,it has the following activities: protective and defensive for the skin and mucous membranes anti-wrinkles and anti-ageing hydratating trophic anti-irritating,softening and lenitive Based on the above mentioned characteristics, the product according to the present invention,which will be called EPIGLYCAN hereinafter,can be advantageously used in the formulation of several products for treating skin and of cosmetic type in general. Some exemplary embodiments of these products, coming within the spirit of the invention,will be disclosed by way of an indicative but not limitative example hereinbelow. The above disclosed products allow several problems to be solved,relating to the protection and treatment of the skin,in a new and very positive way,based on a concrete and serious scientific experiment set. It should be apparent that the practical method for making the subject cosmetic products,as well as the specific component amounts can vary depending on requirements,provided that in all of the cosmetic products is included,as an essential base,the product according to the present invention,called EPIGLYCAN and which has been hereinabove disclosed. It should be also apparent that the subject product can also be replaced,either completely or in part,by biopolymer extracts derived from the intestine, respiratory apparatus,rumen,uterus,that is all of the hollow organs of the body which,since they are susceptible of exchanges with the outer environment,and can form aggressive substances,of the chemical,physical and microbiological type must be protected,like the stomach,by a biopolymer based coating layer,for defense and protection purposes. From the above disclosure it should be apparent that the invention fully achieves the intended aim.

Claims: A product for protecting, nourishing and treating skin, comprising a synergic combination of; biopolymers forming natural mucous substances coating the mucous walls of the digestive apparatus, said biopolymers including biopolymer extracts derived from the intestine, respiratory apparatus, rumen, uterus or other hollow organs of animal bodies, characterized in that said product has the following average formulation glycoproteins relating to mucine 50 % glucosaminoglycans 15 % nucleic acids 10 % extractive collagen proteins 25 % and that said formulation may vary within formulation limits of ± 20%. A product according to Claim 1, characterized in that said product is adapted to be included, as an essential base, into the composition of a number of different products, for treating skin and of the cosmetic type in general, in order to provide at least the following specific actions: protective and defensive for the skin and mucous tissues anti-wrinkles and anti-ageing hydrating trophic anti-irritating, softening and lenitive.

Inventors: IMPERATORI, DIANA, PROMO INTERNATIONAL S.R.L.
Applicants: PROMO INTERNATIONAL S.R.L.
Application year: 1989
Main classification: A61K7
IPC codes: A61K8, A61Q19