Compositions for dyeing keratin fibers comprise (a) at least one keratin dyeing compound selected from aromatic systems which comprise at least one boronic acid or boronic ester moiety and which are capable of forming upon oxidation a nucleophile or an electrophile, (b) at least one additional keratin dyeing compound selected from the group consisting of auxiliary developers and auxiliary couplers, and (c) a cosmetically suitable medium. Methods for oxidatively dyeing keratin fibers comprise the steps of applying such compositions in the presence of an oxidizing agent and rinsing the hair. A hair coloring product in kit form comprises a first separately packaged container comprising a composition as described above and a second separately packaged container comprising an oxidizing agent.
用于染色的组合物包括:(a)至少一种选自含有至少一个
硼酸或
硼酸酯基团的芳香族系统的角蛋白
染料化合物,这些化合物在
氧化时能够形成亲核物或亲电子物;(b)至少一种额外的角蛋白
染料化合物,选自辅助
显色剂和辅助
偶联剂的组合;(c)一种化妆品适用的介质。
氧化染角蛋白纤维的方法包括在
氧化剂存在下应用这样的组合物,并冲洗头发。一种套装形式的头发染色产品包括一个第一独立包装容器,其中包含上述描述的组合物,以及一个第二独立包装容器,其中包含
氧化剂。