The present disclosure is directed to a family of N-alkylheteroaryl secondary para-phenylenediamines, to their preparation, and to a cosmetic composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one N-alkylheteroaryl secondary para-phenylenediamine. Further disclosed herein is a process of dyeing keratin fibers, a ready-to-use composition, and a kit comprising at least two compartments.
本公开涉及一类N-烷基杂环芳基二次
对苯二胺家族,它们的制备,以及用于染色角蛋白纤维的化妆品组合物,例如,人类角蛋白纤维,如头发,其中,在适当的
染料介质中,至少含有一种N-烷基杂环芳基二次
对苯二胺。此外,本公开还涉及一种染色角蛋白纤维的方法,一种即用型组合物和至少两个隔间的套装。