Fragrance
2-Pentylidenecyclohexanone, when used as a fragrance ingredient
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cyclohexanone with an unsaturated side chain — used for green-floral fragrance notes. The conjugated double bond makes it a Michael-acceptor electrophile that can sensitise skin; IFRA limits its use.
Skin benefits
- Provides green, jasmine-like floral fragrance note
Known concerns
- Alpha,beta-unsaturated ketone — Michael acceptor
- Skin sensitisation potential
- EU Annex III declarable allergen if listed
- IFRA Standard restriction
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related fragrances
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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.