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Film Former

TRIS-HYDROGENDIMETHYL SILOXYPHENYLSILANE

CAS 18027-45-7
72

Safety score · 0–100

Fine

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

A reactive silicone building block used to form silky elastomer films in cosmetics. The finished elastomer is safe; the intermediate is a manufacturing component.

Tris-hydrogendimethyl siloxyphenylsilane (CAS 18027-45-7) is a phenyl-substituted silicone with Si-H functionality, used as a crosslinker in the synthesis of silicone elastomers. In finished cosmetics it appears as part of cured elastomer systems that provide soft-focus skin feel and film formation. No dedicated CIR monograph; EU CosIng permits general use. Skin safety of cured elastomer networks is broadly favourable; silicone environmental questions remain an ongoing class consideration.

Function

FILM FORMING

Skin benefits

  • Contributes to elastomer network
  • Silky sensory finish

Known concerns

  • Industrial intermediate role
  • Silicone environmental profile
  • Sparse ingredient-specific 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.