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Antioxidant

CAFFEIC ACID

CAS 331-39-5 Updated
60

Safety score · 0–100

Fine

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

About

A polyphenol antioxidant from coffee, fruits and many plants. Useful anti-aging chemistry but flagged IARC 2B based on rodent oral studies — topical risk is much lower; use with informed caution.

Function

ANTIOXIDANTFRAGRANCE

Skin benefits

  • Strong polyphenol antioxidant
  • Anti-inflammatory in vitro
  • UV-protective synergy with vitamin E

Known concerns

  • IARC Group 2B possibly carcinogenic to humans (oral, animal data)
  • Can polymerise/oxidise quickly in formulation
  • Limited dedicated cosmetic safety dossier

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.