Colorant
CI Acid Black 131 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.
A coal tar-derived hair dye intermediate severely restricted in the EU due to carcinogenic impurity concerns and skin sensitisation. Listed in the regulation's restricted hair-colourant annex.
Skin benefits
- Historical hair-dye intermediate
Known concerns
- Coal-tar derivative with carcinogenic impurity concerns
- Listed under EU Annex II restrictions for hair dye use
- Skin sensitisation
- Not safe in unrestricted cosmetics
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related colorants
Check your shelf
Find CI Acid Black 131 and its salts, when used as a substance in hair dye products in your products.
Scan any cosmetic product with LuxSense to see if it contains CI Acid Black 131 and its salts, when used as a substance in hair dye products and get a full ingredient breakdown with safety scores.
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.