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Fragrance

ALPHA-IONONE

CAS 127-41-3
50

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 from the ionone family. EU labels it as a fragrance allergen, so it can trigger sensitization in susceptible users.

Skin benefits

  • Violet/woody fragrance ingredient
  • Widely used in fine fragrance

Known concerns

  • EU-listed fragrance allergen requiring labeling
  • Skin sensitization potential
  • Eye irritation per GHS

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