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Film Former

CETYL METHACRYLATE

CAS 2495-27-4 Updated
45

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

NOT REPORTED

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

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.