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Film Former

ISOBUTYLTRIETHOXYSILANE

CAS 17980-47-1
45

Safety score · 0–100

Moderate

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

A silane used to surface-treat pigments and powders for water resistance. The raw chemical is irritating, but the cured coating on pigments is considered safe.

Function

BINDING

Skin benefits

  • Surface-treats pigments and powders
  • Improves water resistance
  • Stable cured silicone-like film

Known concerns

  • Skin and eye irritation in raw form
  • Releases ethanol on cure
  • Not for direct leave-on use at high levels

References

EU

EU CosIng database

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

Related film formers

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CETYL METHACRYLATE
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DIPENTAERYTHRITYL HEXAMERCAPTOPROPIONATE
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ETHOXYETHYL METHACRYLATE
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ISOPROPYL TITANIUM TRIISOSTEARATE/PERFLUOROOCTYL TRIETHOXYSILANE CROSSPOLYMER
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ISOPROPYLIDENEDIPHENYL BISOXYHYDROXYPROPYL ACRYLATE
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ISOPROPYLPHTHALIMIDE
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METHOXYPOLYOXYMETHYLENE MELAMINE
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PEG-7/PPG-2 PENTAERYTHRITYL TETRAACRYLATE
Film Former

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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.