Hair Dye
2-Amino-5-nitrophenol
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A nitroaromatic hair-dye intermediate giving red-brown shades. EU restricts it strictly to oxidative hair dye at low % because of sensitisation and genotoxicity flags.
Skin benefits
- Provides reddish-brown shade in oxidative hair dye
Known concerns
- EU Annex III restricted hair dye substance
- Skin sensitiser
- Genotoxicity flags in older studies
- Not for cosmetics other than hair dye
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 — always read the physical product label and consult a healthcare professional for personal concerns.