The subject of the present application is a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising at least one step of applying to said keratin fibres one or more particular oxidation couplers of chromenol/chromen-2-one type, the dyeing compositions comprising such derivatives and also the devices using these compounds.
本申请的主题是一种染色角蛋白纤维的过程,特别是人类角蛋白纤维,例如头发,包括至少一步将一种或多种特定的色素氧化
偶联剂应用于所述角蛋白纤维,所述
染料组合物包括这些衍
生物,并且使用这些化合物的设备。