Tricyclic 5-6-5 heteroaromatic keratin dyeing compounds having two heteroatoms. Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and one or more tricyclic 5-6-5 heteroaromatic keratin dyeing compounds having two heteroatoms. A method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.
三环5-6-5杂环角蛋白
染料化合物具有两个杂原子。用于角蛋白纤维氧化染色的组合物,包括适用于染色的介质和一个或多个具有两个杂原子的
三环5-6-5杂环角蛋白
染料化合物。一种用于氧化染色的角蛋白纤维的方法,包括在氧化剂的存在下施用这样的组合物,以发展所需的着色。