41273-90-9Relevant academic research and scientific papers
AGENT FOR DYEING KERATIN-CONTAINING FIBERS
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, (2010/04/23)
The invention relates to an agent for dying fibers comprising keratin, particularly human hair, the agent comprising at least one compound of the formula: together with at least one CH-acidic compound. The invention also relates to methods for shading oxidation dyed fibers, methods for freshening up fibers, methods for making an agent for dyeing fibers and to various compositions.
