Patent ID: 7241319
Filing Date: 2007-07-10
Classification: A61K,A61Q,C09B

Abstract:
1. A dye composition for dyeing human keratin fibers comprising: a medium suitable for dyeing human keratin fibers, wherein said medium is water or a mixture of water and at least one organic solvent suitable for dyeing human keratin fibers, and at least one direct polycationic dye of formula (I) below, comprised in said medium: in which Col, which may be identical or different, is a noncationic dye chosen from azo, methine, azomethine, phenothiazine, triarylmethane, xanthene phenanthridine, and phthalocyanin dyes; and Z is chosen from linear and branched, saturated and unsaturated, and cyclic C at least one cosmetic adjuvant chosen from monoalcohols, polyols, anionic, cationic, nonionic, amphoteric and zwitterionic surfactants, and mixtures thereof, mineral thickeners, organic thickeners, and anionic, cationic, nonionic and amphoteric associative polymers.