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Fragrance

ALPHA-ISOMETHYL IONONE

CAS 127-51-5
55

Safety score · 0–100

Moderate

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

A violet-scented fragrance molecule used widely in perfumes. It is on the EU labeled-allergens list, so check the label if your skin reacts to scented products.

Skin benefits

  • Violet-floral fragrance

Known concerns

  • EU fragrance allergen
  • Possible contact sensitization
  • IFRA limits

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