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Antioxidant

3-O-CETYL ASCORBIC ACID

CAS 88306-70-1
87

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

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 CONDITIONING

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

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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NANNOCHLOROPSIS OCEANICA OIL
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PAEONIA LACTIFLORA ROOT/PRUNUS CERASUS FRUIT/CUCURBITA PEPO SEED EXTRACT
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PHYTOSTERYL LINOLEATE/LINOLENATE
Antioxidant

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.