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Film Former

METHOXY PEG-8 DIMETHYLSILYLETHYL TRIMETHYLSILANE

CAS 881689-05-0 Updated
70

Safety score · 0–100

Fine

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

About

A PEG-modified silicone used to give smooth, water-resistant feel. Generally fine in finished products, but PEG purity matters and silicone-PEG hybrids have environmental persistence concerns.

Function

SKIN CONDITIONING

Skin benefits

  • PEG-silane copolymer for smooth skin feel
  • Film-forming and water-resistant
  • Helps spread other ingredients
  • Used at low percentages

Known concerns

  • PEGylated — supplier purity affects 1,4-dioxane content
  • Silicone-PEG hybrid persistence in environment
  • Limited public safety review

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 — always read the physical product label and consult a healthcare professional for personal concerns.