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Film Former

HYDROGENATED DICYCLOPENTADIENE/ISOPENTENE/ISOPRENE/STYRENE COPOLYMER

CAS -
70

Safety score · 0–100

Fine

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

A hydrogenated hydrocarbon copolymer used as a long-wear film and texture modifier. Inert as cured polymer; residual styrene is the main quality concern.

Skin benefits

  • Film forming and texture modifier
  • Long-wear performance
  • Non-permeating polymer

Known concerns

  • Possible residual styrene monomer
  • Petroleum-derived
  • Sparse dedicated safety review

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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Thickener

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.