申请人:——
公开号:US20040093675A1
公开(公告)日:2004-05-20
The invention concerns a novel dyeing composition for dyeing keratinous fibres, in particular human hair, comprising a cationic azo-dye of formula (I): W1—N═N—W2—W3, as well as the dyeing method using said composition and the novel compounds of formula (I).
本发明涉及一种新型染料组合物,用于染色角蛋白纤维,特别是人类头发,包括式(I)的阳离子偶氮染料:W1—N═N—W2—W3,以及使用该组合物的染色方法和式(I)的新化合物。