| 摘要 |
Composition (A) contains at least one carbazole-aldehyde or carbazolyl-alkyl or -aryl ketone (I) as a dyeing component. Composition (A) contains at least one carbazole derivative of formula (I) as a dyeing component. R1 = H, 1-4C alkyl or aryl; R2-R5 = H, halo, 1-4C alkyl, 1-4C alkoxy, 1-4C hydroxyalkoxy, OH, NO2, NH2 (optionally substituted by 1-4C alkyl) or 1-4C acyl, or two of R2-R5 = a fused aromatic ring; R6 = 1-4C alkyl, 1-4C hydroxyalkyl, 1-4C carboxyalkyl, 1-4C aryl, aralkyl, aralkyl or heteroaryl. Independent claims are included for the following: (1) the use of (I) as a dyeing component in oxidation hair dye compositions, and (2) dyeing keratin containing fibers, involving applying a dyeing composition (A') containing (I), at least one compound (II) and other conventional components to the fibers, leaving (A') in contact with the fibers for a suitable time (generally 30 minutes) and rinsing or washing with shampoo. (II) Comprises compounds containing primary or secondary amino groups or hydroxy groups (i.e. primary or secondary aromatic amines, aromatic hydroxy compounds) and/or active CH compounds.
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