An agent for the oxidative dyeing of keratinous fibers is provided. The agent contains, as a developer-type oxidation dye precursor, a compound of Formula (I) that carries at least one cationic charge in Y.
提供了一种角蛋白纤维氧化染色的剂。该剂含有一种式(I)的化合物,作为开发型氧化
染料前体,其中Y中至少带有一个阳离子电荷。