Present invention relates to the use of a cationic anthrachinone dye for coloring keratin fibers, especially human hair, and compositions comprising the said dyestuffs. The object of the present invention is the use of dyestuff according to general structure
wherein R1 is a group selected from CH3, CH2OH, C2H2OH, C4H9, C3H6OCH3, C3H6OC2H5, C2H2OCH3 and C3H6OC2H4OCH3 for dyeing keratin fibers especially human hair.
本发明涉及阳离子
蒽醌染料用于角蛋白纤维(尤其是人类头发)着色的用途,以及包含上述
染料的组合物。本发明的目的是使用一般结构如下的
染料
其中 R1 是选自
CH3、CH2OH、C2H2OH、
C4H9、C3H6O 、C3H6OC2H5、C2H2O 和 C3H6OC2H4O 的基团,用于染色角蛋白纤维,特别是人发。