A composition for dyeing keratin-containing fibers, particularly human hair, comprising 1,2-dihydropyrimidinium derivatives in combination with reactive carbonyl compounds and methods of employing this combination for dyeing keratin-containing fibers, for color restoration or shading keratin-containing fibers that are already dyed.
一种用于含角蛋白纤维(尤其是人类头发)染色的组合物,该组合物包含 1,2-二
氢嘧啶衍
生物与活性羰基化合物的组合,以及使用该组合物对含角蛋白纤维进行染色、对已染色的含角蛋白纤维进行颜色修复或着色的方法。