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Film Former

PEG-8/SMDI COPOLYMER

CAS 39444-87-6 Updated
60

Safety score · 0–100

Fine

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

About

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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ACRYLATES/BEHENETH-25 METHACRYLATE/HEMA CROSSPOLYMER-2
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ACRYLATES/TRIFLUOROPROPYLMETHACRYLATE/POLYTRIMETHYL SILOXYMETHACRYLATE COPOLYMER
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BIS-(HEA POLYCAPROLACTONE) PEG-2/PPG-3/IPDI COPOLYMER
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BIS-(HEMA/ETHYLHEXYL) POLY(1,4-BUTANEDIOL)-9/TMDI/IPDI COPOLYMER
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BIS-(METHOXY PEG-9 CARBAMOYL) POLY-SMDI
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BIS-HEA POLYDIETHYLENEGLYCOL ADIPATE/IPDI COPOLYMER
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BIS-HEMA POLOXAMER 251/IPDI COPOLYMER
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BIS-HEMA POLY(1,4-BUTANEDIOL)-9/IPDI COPOLYMER
Film Former

Check your shelf

Find PEG-8/SMDI COPOLYMER in your products.

Scan any cosmetic product with LuxSense to see if it contains PEG-8/SMDI 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 — always read the physical product label and consult a healthcare professional for personal concerns.