Other
BUTYL ISOBUTYRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Butyl Isobutyrate is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
Butyl isobutyrate is the ester of isobutyl alcohol and butyric acid, featuring a branched chain that modifies its fragrance profile to fruity, pineapple-like notes. It is used in both fragrance and flavour applications and has a long history of safe use in the food and cosmetic industries. EU CosIng lists the substance without restrictions in Annex II or III. The branched isobutyrate structure is biodegradable and of low environmental concern. No IFRA fragrance allergen designation or CMR classification applies. Skin tolerance is good at normal cosmetic use levels.
Skin benefits
- Fragrance material with pineapple-fruity character
- Established safety profile in food and cosmetics
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related others
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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.