Film Former
CETYL METHACRYLATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A long-chain methacrylate monomer used in nail enhancements and film-forming polymers. As a free monomer it is a known skin sensitiser; safety depends on full polymerisation and low residual content.
Function
Skin benefits
- Building block for durable nail and film polymers
- Imparts hardness and gloss
- Cost-effective vinyl monomer
Known concerns
- Methacrylate monomers are well-known skin and nail sensitisers
- Residual unreacted monomer can trigger contact allergy
- Not appropriate for use on irritated or broken skin
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.