Agents for colouring keratin fibres comprising zwitterionic azomethine dyes
申请人:Wella Aktiengesellschaft
公开号:EP1852104A1
公开(公告)日:2007-11-07
The present invention relates to agents for colouring keratin fibres which comprise at least one zwitterionic azomethine dye of the general formula (I), (II) or (III)
in which z is a heterocycle of the formula
in which R8 is an alkyl sulfonate radical of the formula (XIII);
本发明涉及角蛋白纤维着色剂,它包含至少一种通式为(I)、(II)或(III)的偶氮甲胺染料
其中 z 是式中的杂环
其中 R8 是式 (XIII) 的烷基磺酸基;
Lightening dye with direct-dyeing colorants
申请人:——
公开号:US20040034945A1
公开(公告)日:2004-02-26
The object of the invention is a colorant for brightening and coloring keratin fibers which contains (a) an oxidant and (b) at least one yellow direct dye of formula (I) and/or a red direct dye of formula (II) and/or a blue direct dye of general formula (III), and (c) has a basic pH
1
as well as a method for coloring keratin fibers.