Cationic aminoanthraquinones in which at least one cationic charge is delocalized on a 5-membered unsaturated polynitrogen-containing heterocycle, their use as a direct dye in dyeing compositions for keratinous materials, in particular for human keratinous fibers such as hair, dyeing compositions containing them, and dyeing methods using these compositions.
阳离子
氨基
蒽醌,其中至少有一个阳离子电荷被分散在一个五元不饱和多氮杂环上;它们在角质材料(尤其是人类角质纤维,如头发)染色组合物中作为
直接染料的用途;含有它们的染色组合物;以及使用这些组合物的染色方法。