The present disclosure relates to symmetrical cationic diazo compounds of formula (I), the resonance forms, and also the acid addition salts and/or the solvates thereof:
The present disclosure further relates to dyeing compositions comprising such compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers, and also to a method of coloring keratin fibers that employs this composition, and a multi-compartment kit containing such compositions.
本公开涉及公式(I)的对称阳离子重氮化合物,其共振式形式,以及其酸盐和/或溶剂化合物:本公开还涉及包含此类化合物作为
直接染料的
染料组合物,在适用于染色角蛋白纤维的介质中,以及使用该组合物进行染色角蛋白纤维的方法,以及包含这种组合物的多室套件。