Fragrance
BUTYL ISOBUTYRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Butyl isobutyrate is a small fruity ester used as a fragrance and flavor ingredient. At neat strength it is a flammable liquid, but in finished cosmetics it is present in trace amounts for scent only.
Skin benefits
- Provides fruity, ester-type scent in fragrance compositions
- Used at trace levels typical of fragrance ingredients
- Stable in standard cosmetic vehicles
Known concerns
- GHS classified H226 flammable liquid and vapor at neat strength
- Fragrance esters can sensitize predisposed users
- No skin-active benefit beyond scent
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related fragrances
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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.