Colorant
Toluene-3,4-diamine and its salts, when used as a substance in hair dye products
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Toluene-3,4-diamine — a hair-dye actor on the EU Annex II banned-in-cosmetics list. Treat as a no-use ingredient in EU markets.
Skin benefits
- Historical hair shade use
Known concerns
- EU Annex II banned for cosmetic use
- Strong sensitiser
- Mutagenicity flagged
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related colorants
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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.