A dye composition for keratinous fibres comprising a solvent and at least one dye which is a compound of formula: ##STR1## in which R.sub.1 and R.sub.2 are each, independently of each other, hydrogen, an alkyl group, a mono- or polyhydroxylated alkyl group, an alkyl group substituted by an alkoxy or hydroxyalkoxy group, or an aminoalkyl group, the amino group of which is optionally substituted with one or two alkyl or hydroxyalkyl groups, and it being possible for the nitrogen atom also to form part of a heterocyclic ring, all the abovementioned alkyl groups or moieties containing from 1 to 6 carbon atoms, or, of the compound of formula (I) contains an amino group which can be salified, a cosmetically acceptable salt thereof.
一种用于角蛋白纤维的
染料组合物,包括溶剂和至少一种
染料,该
染料是以下化合物之一:##STR1## 其中R.sub.1和R.sub.2分别独立地是氢、烷基、单烷基或多羟基烷基、被烷氧基或羟基烷氧基基团取代的烷基、或
氨基烷基,其中
氨基的一端可以选择性地被一个或两个烷基或羟基烷基基团取代,氮原子还可以是杂环环的一部分,所有上述烷基或基团中含有1至6个碳原子,或者,如果化合物(I)包含可以被盐化的
氨基团,则为其化妆品可接受的盐。