Film Former
ISOBUTYL METHACRYLATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A methacrylate monomer used in nail-product films. Like its alkyl-methacrylate cousins, residual monomer can sensitise skin, so leave-on cosmetic exposure is restricted in the EU.
Function
Skin benefits
- Forms a flexible polymer film in nail products
- Good adhesion and wear in cured systems
Known concerns
- Methacrylate monomer — established skin sensitizer
- Allergic contact dermatitis (ACD) risk from residuals
- Eye/respiratory irritant
- Not appropriate for leave-on cosmetics
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.