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fragrance ingredient

3,5,6-TRIMETHYL-3-CYCLOHEXENYL-4-PENTEN-3-ONE

CAS 67801-32-5
55

Safety score · 0–100

Moderate

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

A synthetic cyclohexenyl pentenone fragrance ingredient delivering green, woody, fruity notes, with limited publicly available safety data and the sensitization considerations typical of fragrance ketones.

Skin benefits

  • Provides a green, woody, fruity fragrance note in perfumery
  • Adds character to fine fragrance and functional perfume bases

Known concerns

  • Synthetic cyclohexenyl ketone with limited public toxicology data
  • Fragrance ketones can be sensitizing in predisposed individuals
  • No dedicated CIR or SCCS opinion identified
  • Possible IFRA exposure limits depending on category

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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3-METHYL-1-PHENYL-2-HEXENE 1,5-EPOXIDE
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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.