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Antioxidant

ASCORBYL STEARATE

CAS 25395-66-8 Updated
84

Safety score · 0–100

Good

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

About

A stable oil-soluble vitamin C ester — gentler than pure ascorbic acid while still offering antioxidant protection. CIR-class ascorbyl esters are well tolerated at cosmetic levels.

Function

ANTIOXIDANT

Skin benefits

  • Stable oil-soluble vitamin C ester
  • Antioxidant defence
  • Brightening support
  • Gentler than ascorbic acid

Known concerns

  • Variable conversion to active vitamin C
  • Limited bioavailability vs ascorbic acid
  • Possible mild irritation at high levels

References

EU

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.