申请人:——
公开号:US20040168263A1
公开(公告)日:2004-09-02
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).
这项发明涉及一种用于染色角蛋白纤维,特别是人类头发的新型染色组合物,包括一种阴离子偶氮染料,其化学式为(I):W1-N═N—W2-W3,以及使用该组合物的染色方法和化学式(I)的新型化合物。