Hair dye
2-AMINO-3-NITROPHENOL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A nitroaminophenol hair-dye ingredient used as an intermediate in oxidative hair colour. Develops shade in finished hair dyes and is not intended for use in leave-on skincare products.
Skin benefits
- Hair-dye intermediate that develops shade in oxidative dye systems
- CIR Expert Panel concluded safe as a hair dye ingredient in current use
- Effective at low concentrations within hair-colour formulations
- Penetrated skin but was not retained in the body in animal studies
Known concerns
- PubChem GHS lists H315 skin irritation and H319 serious eye irritation
- H335 may cause respiratory irritation reported in nearly all submissions
- Class member with potential skin sensitisation, related dyes flagged by SCCP
- Strictly a hair-colorant ingredient, not for leave-on skincare use
- Standard hair-dye user precautions apply
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.