Hair Dye
4-[4-(1,3-Dihydroxyprop-2-yl)phenylamino]-1,8-dihydroxy-5-nitroanthraquinone
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
HC Blue No. 17 is a nitroanthraquinone direct hair dye used to add violet-blue tones. Its use is tightly regulated in the EU because of sensitization and possible genotoxicity concerns common to nitroaromatic dyes.
Skin benefits
- Provides deep violet-blue color in oxidative hair dye formulas
- Effective as a direct dye at low concentrations
Known concerns
- Nitro-anthraquinone hair dye with sensitization potential
- EU has strict concentration limits and use conditions for this class
- Potential genotoxicity flags for nitroaromatic dyes
- Restricted to professional or rinse-off hair products
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related hair dyes
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.