Patent ID: 6403073
Filing Date: 2002-06-11
Classification: A61K,A61Q

Abstract:
A composition for treating keratin substances, said composition comprising, in a cosmetically and/or dermatologically acceptable aqueous medium:(a) at least one non-volatile, water-insoluble polyorganosiloxane having a viscosity of greater than 3Ã—10âˆ’5 m2/s; and (b) at least one polyampholytic polymer comprising, in the chain or in a side position relative to the chain, equimolar amounts, or virtually equimolar amounts, of negative charges and positive charges; said polyampholytic polymer being insoluble in water at a concentration of greater than or equal to 0.1% by weight and at 20Â° C. and said polyampholytic polymer being other than betaine homopolymers or copolymers containing a monomer selected from: (i) a monomer of the following formula: â€ƒin which: R9, R11 and R12 are identical or different and denote a hydrogen or an alkyl radical; R10 denotes a group â€”(CH2)nâ€” or â€”(Oâ€”CH2â€”CH2)mâ€”; F denotes NH or O; and m and n are integers ranging from 1 to 4 inclusive; (ii) a monomer of the following formula: (iii) a monomer of the following formula: and (iv) a monomer of the following formula: