Fatty alcohol (mild antimicrobial)
UNDECYLENYL ALCOHOL
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Undecylenyl Alcohol is an unsaturated fatty alcohol with mild antimicrobial activity, used as a conditioning and preservation booster. It is generally mild but can irritate at higher concentrations, so dose matters.
Skin benefits
- Fatty alcohol with mild antimicrobial activity
- Used as a skin-conditioning and fragrance agent
- Compatible with natural-positioned formulations
- Helps support preservation systems
Known concerns
- Can cause irritation or sensitization at higher concentrations
- Fragrance-related olfactive profile may not suit fragrance-free routines
- Fatty alcohol can feel slightly waxy on skin
- Limited dedicated cosmetic safety reviews
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, so always read the physical product label and consult a healthcare professional for personal concerns.