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Antioxidant

3-O-ETHYL ASCORBIC ACID

CAS 86404-04-8
84

Safety score · 0–100

Good

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

A stable, less irritating vitamin C derivative that brightens and protects skin. Converts to ascorbic acid in the skin and is widely used in modern serums.

Function

SKIN CONDITIONING

Skin benefits

  • Stable vitamin C derivative — converts to ascorbic acid in skin
  • Brightening and antioxidant action
  • Less irritating than pure L-ascorbic acid
  • Better stability in water-based formulas

Known concerns

  • Possible mild stinging at higher percentages
  • Photoreactivity lower than pure ascorbic acid but still benefits from packaging
  • No significant safety concerns at cosmetic levels

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.