Colorant
Nigrosine (CI 50420) when used as a substance in hair dye products
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A dark aniline-derived dye mixture used in oxidative hair colorants. EU SCCS has flagged it for restriction over genotoxicity and aromatic-amine residue concerns — strict concentration and labelling rules apply.
Skin benefits
- Dark blue-black coloration in oxidative hair dyes
Known concerns
- EU SCCS-flagged hair dye — restricted Annex III/V conditions
- Potential genotoxicity and contact sensitization
- Complex aniline-derived mixture with impurity concerns
- Tar-pigment carry-over of carcinogenic aromatic amines
- Strict labelling and concentration controls required
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related colorants
Check your shelf
Find Nigrosine (CI 50420) when used as a substance in hair dye products in your products.
Scan any cosmetic product with LuxSense to see if it contains Nigrosine (CI 50420) 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 — always read the physical product label and consult a healthcare professional for personal concerns.