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Fragrance

COUMARIN

CAS 91-64-5 Updated
40

Safety score · 0–100

Moderate

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

About

A sweet, hay-like fragrance compound from tonka bean and sweet clover. EU listed fragrance allergen and contact sensitizer; banned as a food additive but used in fragrance.

Skin benefits

  • Sweet hay/vanilla fragrance note
  • Used in many fine fragrances
  • Naturally occurs in tonka bean, sweet clover

Known concerns

  • EU 26 fragrance allergen — labelling required
  • Documented contact sensitizer
  • Hepatotoxic at high oral doses (banned in food)
  • Avoid in fragrance-sensitive skin

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 — always read the physical product label and consult a healthcare professional for personal concerns.