6262-16-4Relevant academic research and scientific papers
ZWITTERIONIC AZO DYESTUFFS FOR COLOURING KERATIN-INCLUDING FIBRES
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Paragraph 0122, (2014/09/03)
The invention relates to agents for coloring keratinic fibers, in particular human hair, including in a cosmetic carrier at least one compound of the formula (I). The structures the of the general formula (I) have a heterocycle A which bears a quaternary
ANIONIC AZO DYESTUFFS FOR COLORING KERATIN-CONTAINING FIBERS
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Paragraph 0166, (2014/10/16)
The present specification provides for an agent for coloring keratinic fibers. The agent includes, a cosmetic carrier, a compound of formula (I), R1 and R2 independently of one another denote hydrogen, a C1-C6 alkyl group, a C2
