| 摘要 |
Dyeing composition for keratinous fibres, and especially for human keratinous fibres, characterized in that it contains, in a cosmetically acceptable aqueous medium: (a) an indole dye, and (b) a para-phenylenediamine disubstituted on one of the amino groups, corresponding to the formula: <IMAGE> (II) in which R12 and R13, which may be identical or different, denote a C1-C4 alkyl group; a C2-C4 hydroxyalkyl group; or a C1-C4 alkyl group substituted with an SO3H group, or with a mesylamino or acetylamino group, or with a C1-C4 alkoxy group, or with a carbamyl group substituted or otherwise with one or two C1-C4 alkyl groups, or with a heterocyclic amine; it also being possible for R12 and R13 to form, with the nitrogen atom to which they are attached, a 4- to 6-membered heterocycle; and R14 denotes hydrogen or a C1-C4 alkyl, C1-C4 alkoxy or halogen group; or their cosmetically acceptable addition salts with an acid.
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