New dye precursor combinations

摘要

Composition (A) for dyeing keratin fibers, especially human hair, comprises, in a cosmetic carrier, at least one each of 4,5-diaminopyrazole derivative (I); 3-hydroxy-4-methyl-aniline derivative (II) and direct dye (III). Composition (A) for dyeing keratin fibers, especially human hair, comprises, in a cosmetic carrier, at least one each of 4,5-diaminopyrazole derivative of formula (I); 3-hydroxy-4-methyl-aniline derivative of formula (II) and direct dye (III). R1hydrogen, 1-6C linear or branched alkyl, 1-4C monohydroxyalkyl, 2-4C polyhydroxyalkyl, 1-4C aminoalkyl, phenyl (optionally substituted by nitro, trifluoromethyl, amino or 1-4C alkylamino), or benzyl (optionally substituted by halo, 1-4C alkyl or alkoxy, methylenedioxy or amino); R2halo or 1-4C alkoxy. [Image].