A composition for dyeing keratin fibres comprising a. at least one azomethine compound selected from compounds (3) and (4) and b. water. The composition may be used in a process for dyeing keratin fibres or, with simultaneous or sequential application of a composition comprising one or more oxidising agents, in a process for lightening keratin fibres.
一种用于角蛋白纤维染色的组合物,包括 a. 至少一种选自化合物(3)和(4)的偶氮亚甲基化合物; b.
水。该组合物可用于角蛋白纤维染色工艺,或同时或依次使用包含一种或多种氧化剂的组合物,用于角蛋白纤维增白工艺。