COMPOSITION TO DYE KERATIN FIBERS, METHODS OF THEIR DYEING, PACKING OF THE SET FOR DYEING KERATIN FIBERS Russian patent published in 2002 - IPC

FIELD: cosmetic preparations. SUBSTANCE: the method deals with a dyeing composition for hair which contains in acceptable for hair dyeing medium a direct cation carrier. Moreover, the composition has a polymeric thickener taken out of a group which includes: joined homopolymers of acrylic acid, homopolymers of ammonium acrylate and acrylamide, joined copolymers of (met)acrylic acid and C₁-C₂-amylacrylate, nonionic homopolymers and copolymers which contain ethylene unsaturated monomers of ester- or amide types. EFFECT: more intense hair dyeing, more selective and resistant to aggressive environmental factors. 28 cl, 4 ex