Film Former
CELLULOSE ACETATE BUTYRATE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cellulose ester (acetate + butyrate) used as a hypoallergenic film former in nail polish — often replaces toluene-sulfonamide resins that historically caused allergies. Inert polymer with a clean safety record.
Function
Skin benefits
- Glossy, hard-wearing films in nail polish
- Plant-cellulose base — biodegradable backbone
- Lower allergenicity than tosylamide resins
- Excellent solvent compatibility
Known concerns
- No significant concerns at cosmetic concentrations
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
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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.