The present disclosure relates to dissymmetrical cationic diazo compounds having at least one 2-imidazolium unit and a cationic or non-cationic linker. The 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 to a device having a plurality of compartments.
本公开涉及至少具有一个2-
咪唑离子单元和一个阳离子或非阳离子连接单元的不对称阳离子重氮化合物。本公开进一步涉及包含这种化合物作为
直接染料的
染料组合物,在适合染色角蛋白质纤维的介质中,以及使用该组合物染色角蛋白质纤维的方法,以及具有多个隔室的装置。