HEXENYLCYCLOPENTANONE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
HEXENYLCYCLOPENTANONE is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
Hexenylcyclopentanone is a mixed aliphatic-cyclic ketone fragrance combining a 3-hexenyl substituent with a cyclopentanone ring. The structure is analogous to hedione (methyldihydrojasmonate) but with a more saturated profile. Alkenyl ketones in this class are generally considered mild, with the cyclic ketone moderating the reactivity of the double bond.
Skin benefits
- Provides fruity-musky fragrance notes with jasmine-like qualities
- Good substantivity due to combined aliphatic-cyclic structure
Known concerns
- Alkenyl group introduces mild sensitization potential
- Limited specific toxicological data for this compound
- May be susceptible to air oxidation over time
References
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 — always read the physical product label and consult a healthcare professional for personal concerns.