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Film Former

PEG-8/SMDI COPOLYMER

CAS 39444-87-6
60

Safety score · 0–100

Fine

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

A PEG-8 polymer cross-linked with a saturated diisocyanate, used as a film former and thickener. Inert in finished products but quality depends on tight PEG and isocyanate purity controls.

Function

FILM FORMING

Skin benefits

  • Film former and rheology modifier
  • Improves spreadability
  • Stabilizes complex emulsions

Known concerns

  • PEG-class — possible 1,4-dioxane traces
  • Isocyanate-derived backbone — purification critical
  • Limited public toxicology data

References

EU

EU CosIng database

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

Related film formers

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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.