The present invention is directed to a hair coloring composition comprising a specified pyrazoloazole direct dye stuff having the general formula (1), (2) or (3) or a salt thereof wherein the formulas are as defined in the patent claims. Furthermore, the present invention is also directed to a method for coloring human hair by using this composition. This composition has a surprisingly good hair coloring performance and compatibility with peroxides. The use of this composition leads to long lasting brilliant colors wherein the color is stable against washing of the hair and environmental influences.
本发明涉及一种染发组合物,该组合物包含具有通式(1)、(2)或(3)的特定
吡唑啉
直接染料或其盐,其中的通式如专利权利要求书中所定义。此外,本发明还涉及一种使用这种组合物为人类头发染色的方法。这种组合物具有出人意料的良好染发性能以及与过
氧化物的相容性。使用这种组合物可以获得持久艳丽的颜色,而且这种颜色在头发洗涤和环境影响下也很稳定。