Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one mono- or di-N-oxide derivatives of bicyclic 5-6 (2:0, 3:0, 2:1, 3:1) heteroaromatic compounds and derivatives thereof. 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.
用于角蛋白纤维氧化染色的组合物,包括一种适于染色的介质和至少一种双环5-6(2:0、3:0、2:1、3:1)杂芳香族化合物的单-或二-N-氧化物衍
生物及其衍
生物。一种用于角蛋白纤维氧化染色的方法,包括在有氧化剂存在的情况下,在足够长的时间内使用这种组合物,以形成所需的着色。