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Film Former

SODIUM METHOXY PEG-16 MALEATE/STYRENE SULFONATE COPOLYMER

Updated
72

Safety score · 0–100

Fine

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

About

A synthetic film-forming copolymer used in hair styling — builds flexible humidity-resistant hold. Considered safe at use levels, but trace styrene monomer and persistence keep it mid-range.

Function

FILM FORMINGHAIR FIXINGHAIR WAVING OR STRAIGHTENING

Skin benefits

  • Flexible long-lasting hold for hairstyles
  • Humidity resistance
  • Smooth, non-sticky film
  • Compatible with most styling formulas

Known concerns

  • Possible residual styrene monomer
  • Synthetic, non-biodegradable polymer
  • Limited public toxicology data

References

EU

EU CosIng database

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

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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.