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Fragrance

ALLYL ALPHA-IONONE

CAS 79-78-7
45

Safety score · 0–100

Moderate

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

Allyl alpha-ionone — a synthetic violet-floral fragrance ingredient. PubChem flags it as a known skin sensitiser (H317), so most reactive skin should avoid it.

Function

PERFUMING

Skin benefits

  • Provides violet-floral scent character

Known concerns

  • H315 skin irritation
  • H317 may cause allergic skin reaction
  • Established fragrance allergen
  • IFRA-restricted

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.