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Film Former

ISOBUTYL METHACRYLATE

CAS 97-86-9 Updated
42

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

FILM FORMING

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

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.