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Film Former

BUTYLENE/ETHYLENE/STYRENE COPOLYMER

58

Safety score · 0–100

Moderate

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

A plastic copolymer used as a film former and texturizer. Skin-safe at high MW but raises microplastic and residual-styrene concerns under EU restrictions.

Function

VISCOSITY CONTROLLING

Skin benefits

  • Film former and viscosity controller
  • Improves wear of color cosmetics
  • Inert at high MW
  • Stable in formulation

Known concerns

  • Plastic polymer — microplastic environmental concern
  • Residual styrene monomer risk depends on supplier
  • Not biodegradable
  • EU microplastic restrictions

References

EU

EU CosIng database

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

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BIS-METHOXY PEG-10 DIMETHYL MEA/HDI/BIS-PEG-10 DIMETHICONE COPOLYMER
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Check your shelf

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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.