Restricted hair dye
2-[(2-Nitrophenyl)amino] ethanol
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Nitroaniline-class direct hair dye known as HC Yellow No. 11. EU regulation restricts its use to oxidative and non-oxidative hair colourants at low concentrations due to sensitisation and toxicology concerns.
Skin benefits
- Provides yellow tonal colour in oxidative and direct hair dyes
- Cost-effective hair colourant chromophore
Known concerns
- Nitroaromatic amine class with known mutagenicity flags
- EU Cosmetics Annex III restricted with maximum-use concentrations
- Skin sensitiser; positive in patch-test studies
- Not permitted in cosmetics other than restricted hair dye use
- Systemic exposure must be minimised
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related restricted 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.