申请人:——
公开号:US20030196281A1
公开(公告)日:2003-10-23
The present invention concerns an agent for coloring fibers that is obtained by mixing two components—if necessary with the addition of an alkalinizing agent or an acid—said agent being characterized in that one component (component A2) contains at least one electrophilic compound and the other component (component A1) contains at least one 1-benzopyran of formula (Ia)/(Ib) or a 1-benzopyrylium derivative of formula (I),
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and a method for temporarily coloring keratin fibers whereby the hair is first colored with the aforesaid coloring agent and then, at any future time, is again decolorized with a reducing agent.
本发明涉及一种纤维着色剂,该着色剂由两种组分混合而成,必要时加入碱化剂或酸,其特征在于其中一种组分(组分 A2)含有至少一种亲电化合物,另一种组分(组分 A1)含有至少一种式 (Ia)/(Ib) 的 1-苯并吡喃或式 (I) 的 1-苯并吡喃衍生物、
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以及一种对角蛋白纤维进行临时着色的方法,首先用上述着色剂对头发进行着色,然后,在以后的任何时间,再用还原剂对头发进行脱色。