Skip to content

Film former (synthetic polymer)

C4-6 OLEFIN/STYRENE COPOLYMER

58

Safety score · 0–100

Moderate

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

A styrene-based copolymer used as a film former in long-wear makeup and skincare. Provides shine and adhesion, but residual styrene monomer and environmental persistence are real concerns.

Function

DEPILATORY, SKIN CONDITIONING

Skin benefits

  • Forms a flexible film for long-wear color cosmetics
  • Improves shine, adhesion, and water resistance
  • Acts as a viscosity modifier in some emulsions

Known concerns

  • Residual styrene monomer is a regulatory concern (suspected carcinogen)
  • Quality and purity vary across suppliers
  • Not biodegradable; environmental persistence questions

References

EU

EU CosIng database

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

Check your shelf

Find C4-6 OLEFIN/STYRENE COPOLYMER in your products.

Scan any cosmetic product with LuxSense to see if it contains C4-6 OLEFIN/STYRENE COPOLYMER and get a full ingredient breakdown with safety scores.

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.