10-UNDECENYL ACETATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An unsaturated C11 acetate with a terminal double bond providing fresh, citrus, and waxy fragrance notes.
10-Undecenyl acetate is an unsaturated fatty acetate with a terminal double bond providing fresh, citrus, waxy, and slightly metallic fragrance notes. It carries no EU hazard classification and is not restricted in cosmetics regulation. The terminal double bond may theoretically undergo oxidation during storage, producing secondary allergens that should be monitored in finished formulations.
Skin benefits
- Fragrance material with fresh, citrus, waxy character
Known concerns
- Potential for oxidation-derived allergens during storage
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.