Composition and process for the treatment of keratin materials with polymers

Claim 2

A composition for the cosmetic treatment of hair, skin or nails comprising an anionic polymer possessing sulfonic acid grouping having a molecular weight of 500 to 5 million and a cationic polymer containing primary, secondary, tertiary or quaternary amino groups, having a molecular weight of 500 to 5 million, said cationic polymer being characterized by a low substantivity in a solvent medium, said anionic and cationic polymers being present each in an amount from about 0.01 to 10% by weight.

Claim 3

A composition according to claim 1 in which the cationic polymer is: (a) a quaternary derivative of acellulose ether; (b) a cationic homopolymer or copolymer comprising recurring units of the formula: ##STR81## in which R 1 is H or CH 3 , A is a linear or branched alkyl group having up to 6 carbon atoms or a hydroxyalkyl group having 1 to 4 carbon atoms, R 2 , R 3 and R 4 are independently an alkyl group having 1 to 18 carbon atoms or benzyl, R 5 and R 6 denote H or alkyl having 1 to 6 carbon atoms and X denotes R 6 denote H or alkyl having 1 to 6 carbon atoms and X denotes halogen or methosulphate; (c) a copolymer comprising recurring units of the formula: ##STR82## in the proportions n:m:p such that n represents 20 to 99 mol %, m from 1 to 80 mol % and p 0 to 50 mol %, with n+m+p=100, y denotes 0 or 1, and R 1 represents H or CH 3 ; R 2 denotes CH 2 , CHOH, CH 2 or C x H 2x where x is from 2 to 18, R 3 denotes CH 3 C 2 H 5 or ##STR83## R 4 denotes CH 3 or C 2 H 5 , X denotes Cl, Br, I, 1/2 SO 4 , HSO 4 or CH 3 SO 4 and M is derived from a further monomer; (d) polymers containing in their chain vinylpyridine or vinylpyridinium units.

Claim 4

Composition of claim 1 wherein the anionic polymer carrying sulphonic grouping is a salt of a polystyrene sulphonic acid or an alkali metal or alkaline earth metal salt of a lignin sulphonic acid.

Claim 5

A composition according to claim 1 in which said solvent medium comprises a solvent which is water, a monoalcohol, a polyalcohol, a glycol ether, a glycol ester of a fatty acid or methylene chloride, or a mixture thereof.

Claim 6

A composition according to claim 1 which also contains a surface-active agent present in an amount from about 0.1 to 70% by weight relative to the total weight of said composition.

Claim 7

Composition according to claim 5 containing as a surface active agent a cationic surface active agent which is an alkyl trimethyl ammonium chloride or bromide.

Claim 8

Composition according to claim 5 containing as a surface active agent a non-ionic surface active agent which is an oxyethyleneated or polyglycerolated fatty alcohol or an oxyethyleneated nonylphenol.

Claim 9

Composition according to claim 7 further comprising a cationic surface active agent.

Claim 10

Composition according to claim 7 containing also a fatty alcohol.

Claim 11

A composition according to claim 1 in the form of a gel also comprising from 0.5 to 30% of a thickener.

Claim 12

A composition according to claim 10 containing as a thickener sodium alginate or gum arabic or cellulose derivatives, a mixture of polyethylene glycol and the stearate or distearate of polyethylene glycol or a mixture of phosphoric acid esters and amides.

Claim 13

Composition according to claim 1 containing colorants to color the composition.

Claim 14

Composition according to claim 1 pressurized as an aerosol.

Claim 15

Composition according to claim 1 containing colorants to color the hair.