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Antioxidant

OCTATRIENOIC ACID

CAS 5205-32-3 Updated
70

Safety score · 0–100

Fine

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

About

A conjugated trienoic fatty acid used as an antioxidant in niche formulations. The triple double bond makes it powerful but oxidation-prone; cosmetic safety dossier is thin.

Function

ANTIOXIDANT

Skin benefits

  • Antioxidant
  • Possible UV-damage support
  • Lipid-phase compatibility

Known concerns

  • Highly oxidation-prone
  • Limited cosmetic data
  • Stability requires antioxidants and oxygen-free packaging

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.