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Fragrance

CINNAMIC ACID

CAS 140-10-3 / 621-82-9 Updated
42

Safety score · 0–100

Moderate

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

About

An aromatic acid found in cinnamon and the parent of cinnamate UV filters. A recognized skin sensitizer and EU fragrance allergen, so cosmetic use is limited.

Function

SKIN CONDITIONINGPERFUMING

Skin benefits

  • UV-absorbing parent of cinnamate filters
  • Building block in fragrance chemistry
  • Antimicrobial activity

Known concerns

  • Documented skin sensitizer
  • EU-listed fragrance allergen
  • Restricted use in cosmetics

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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Related fragrances

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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.