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Film Former

HYDROGENATED BUTYLENE/ETHYLENE/STYRENE COPOLYMER

78

Safety score · 0–100

Fine

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

A fully hydrogenated styrene block copolymer used as an inert film former for long wear. Non-reactive on skin; cosmetic grades are refined to remove residual styrene.

Function

SKIN CONDITIONING - EMOLLIENTSKIN CONDITIONINGVISCOSITY CONTROLLING

Skin benefits

  • Inert hydrocarbon film former
  • Improves wear of makeup and sunscreens
  • Non-reactive on skin

Known concerns

  • Trace residual styrene monomer concern in unrefined grades
  • Limited skin penetration so systemic risk minimal

References

EU

EU CosIng database

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

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ACRYLATES/ETHYLHEXYL ACRYLATE/GLYCIDYL METHACRYLATE CROSSPOLYMER-2
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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.