Chromium (III) hydroxide
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An inorganic pigment used in cosmetic formulations, restricted in EU due to chromium allergy concerns and hexavalent chromium contamination risk.
Chromium (III) hydroxide is used as a green-to-blue inorganic pigment in decorative cosmetics and tattoo inks. While trivalent chromium is less toxic than hexavalent chromium, EU Regulation 1223/2009 Annex III restricts its use due to the risk of hexavalent chromium formation and the potential for chromium sensitization. Cosmetic grade must be free from hexavalent chromium contamination. The substance is prohibited above 0.1% in mixtures.
Skin benefits
- Provides green-blue coloration in decorative cosmetics
- Used as pigment in makeup and tattoo formulations
Known concerns
- Prohibited above 0.1% in EU mixtures
- Risk of hexavalent chromium contamination
- Chromium allergy concern
- Environmental hazard (aquatic toxicity)
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
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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.