Film Former
SEC-BUTYL METHACRYLATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A film-forming methacrylate monomer used in nail-coating polymers. Like other alkyl methacrylates, residual monomer is a documented skin sensitizer, restricting leave-on cosmetic use in the EU.
Function
Skin benefits
- Forms flexible polymer film in nail products
- Works in copolymer blends for wear and gloss
Known concerns
- Methacrylate monomer — known skin sensitizer (EU CLP H317)
- Eye and respiratory irritation
- Restricted as a residual sensitising monomer in cosmetic polymers
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.