Other
HYDROXYCYCLOHEXYL PHENYL KETONE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Hydroxycyclohexyl Phenyl Ketone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
Hydroxycyclohexyl Phenyl Ketone (also known as 1-(4-hydroxycyclohexyl)-1-phenylethanone or benzoylcyclohexanol) is a Type I photoinitiator primarily used in UV-curable coatings, inks, and adhesives. Its cosmetic use is rare and typically confined to nail gel formulations cured under UV lamps. The compound generates free radicals upon UV exposure, which raises questions about direct skin application. SCCS has not issued a specific opinion; it is not listed on EU Annex II–VI, suggesting no confirmed ban, but its safety profile in cosmetic contexts remains insufficiently documented.
Known concerns
- Limited toxicological data specifically for cosmetic topical use
- Free-radical generation upon UV exposure may cause skin stress
- Not confirmed safe for leave-on cosmetic formulations by EU standards
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.