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Film Former

DICYCLOPENTADIENE/ISOPENTENE/ISOPRENE/STYRENE COPOLYMER

CAS - Updated
55

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A petroleum-derived film-forming resin used in long-wear makeup. Cured polymer is largely inert, but its styrene-monomer chemistry and microplastic status keep it in caution territory.

Skin benefits

  • Long-wear film
  • Glossy finish
  • Transfer resistance

Known concerns

  • Styrene residual risk
  • Petroleum-derived
  • Non-biodegradable polymer

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.