Dyeing composition for keratinous fibers, especially for human keratinous fibers, characterized in that it contains, in an aqueous medium suitable for dyeing: a) an indole dye; and b) a para-phenylenediamine monosubstituted on one of the amino groups, corresponding to the formula: ##STR1## in which: R.sub.12 denotes a hydrogen atom or a lower alkyl group; R.sub.13 denotes a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom; and R.sub.14 denotes a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom; R.sub.14 occupying any one of the remaining positions of the benzene ring; as well as the addition salts with an acid, this composition not containing an oxidizing agent other than air.
染色组合物用于角蛋白纤维,特别是人类角蛋白纤维,其特征在于它含有以下成分,以适宜于染色的
水介质中:a)
吲哚染料; 和b)
对苯二胺单取代物,对其中一种
氨基团进行单取代,对应于以下公式:##STR1## 其中:R.sub.12表示氢原子或较低的烷基基团; R.sub.13表示氢原子,较低的烷基基团,较低的烷氧基团或卤素原子; R.sub.14表示氢原子,较低的烷基基团,较低的烷氧基团或卤素原子; R.sub.14占据苯环上的任一剩余位置; 以及与酸形成加成盐,该组合物不含氧化剂,除了空气。