Fragrance / emollient ester
METHYL UNDECENOATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Methyl undecenoate is a fragrance ester related to undecylenic acid, used for waxy and fruity notes. Generally well tolerated at low fragrance levels with standard sensitisation caveats.
Skin benefits
- Methyl ester of undecylenic acid, used as a fragrance and emollient
- Undecylenic acid has documented antifungal activity
Known concerns
- Fragrance esters can cause irritation or sensitisation in susceptible users
- Limited cosmetic-specific SCCS opinion on the methyl ester form
- Possible photo-stability questions in leave-on products
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related fragrance / emollient esters
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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.