Colorant
CI 10020
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
CI 10020 (Naphthol Green B) — iron-complex green colorant. Not on the EU permitted cosmetic colorants list (Annex IV); use in EU cosmetics is effectively restricted.
Function
Skin benefits
- Stable green colorant
- Used in soaps and rinse-off
- Bright color performance
Known concerns
- Iron-nitroso complex with potential genotoxicity concerns
- Not on EU Annex IV permitted colorants list
- Restricted use in cosmetics
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related colorants
Check your shelf
Find CI 10020 in your products.
Scan any cosmetic product with LuxSense to see if it contains CI 10020 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.