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Film Former

SODIUM LANETH-40 MALEATE/STYRENE SULFONATE COPOLYMER

Updated
70

Safety score · 0–100

Fine

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

About

A sodium-salt copolymer used as a hair-styling film former and fixative. Polymeric, low skin penetration; main caveat is potential 1,4-dioxane traces in PEG-based block.

Function

FILM FORMINGHAIR FIXINGHAIR WAVING OR STRAIGHTENING

Skin benefits

  • Film former / fixative in styling
  • Hair conditioning

Known concerns

  • Limited public safety dossier
  • Polymer with PEG/laneth fraction — possible 1,4-dioxane impurity
  • Synthetic polymer — environmental persistence

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.