申请人:L'Oreal
公开号:US04979961A1
公开(公告)日:1990-12-25
The invention relates to p-phenylenediamines of formula: ##STR1## in which R.sub.1 denotes an alkyl, hydroxyalkyl or polyhydroxyalkyl radical and R.sub.2 denotes a hydrogen atom or an alkyl radical, as well as the corresponding salts with acids, and to the compositions and the process for dyeing keratinous fibers, especially hair, employing them.
本发明涉及公式为:##STR1## 的p-苯二胺化合物,其中R.sub.1代表烷基,羟基烷基或多羟基烷基基团,R.sub.2代表氢原子或烷基基团,以及与酸相应的盐,以及使用它们染色角蛋白纤维,特别是头发的组合物和过程。