Cinchonan-9-ol, 6'-methoxy-, (8.alpha.,9R)- its salts
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cosmetic ingredient. Exercise caution due to limited available safety data.
Cinchonan-9-ol, 6'-methoxy-, (8.alpha.,9R)- (Quinine) and its salts are restricted under EU Annex III of Regulation (EC) No 1223/2009. Quinine is classified as acute toxicity (H302), skin irritant (H315), skin sensitiser (H317), eye irritant (H319) and respiratory sensitiser (H334) under CLP Regulation. Two concentration limits apply: 0.5% (as quinine base) for hair care and 0.2% (as quinine base) for other applications.
Skin benefits
- Hair growth support claims
- Anti-dandruff properties
- Bitter tonic effect
Known concerns
- Annex III restricted with specific concentration limits
- Skin sensitiser (H317)
- Respiratory sensitiser (H334)
- Eye irritant (H319)
- Cinchonism with systemic absorption
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.