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Antioxidant

HYDROXYCINNAMIC ACID

CAS 7400-08-0 Updated
55

Safety score · 0–100

Moderate

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

About

A phenolic acid related to ferulic and caffeic acids — antioxidant in nature but also a possible skin sensitizer. Toxic by ingestion in concentrate; cosmetic use should keep concentrations modest.

Function

SKIN CONDITIONING

Skin benefits

  • Free-radical scavenging
  • Antioxidant support

Known concerns

  • Possible skin sensitization
  • Acute oral toxicity in concentrate
  • UV degradation products

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.