Antioxidant
3-O-CETYL ASCORBIC ACID
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A fat-soluble vitamin C derivative — ascorbic acid linked to a cetyl chain so it stays stable in oils. Delivers brightening and antioxidant benefits with much less of the stinging or oxidation issues of pure vitamin C.
Function
Skin benefits
- Stable lipophilic vitamin C derivative
- Brightens uneven tone
- Antioxidant protection
- Lower irritation than pure ascorbic acid
Known concerns
- Limited independent efficacy data versus L-AA
- Possible mild tingling in sensitive skin
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related antioxidants
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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.