Film Former
TRIS-HYDROGENDIMETHYL SILOXYPHENYLSILANE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
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
Skin benefits
- Contributes to elastomer network
- Silky sensory finish
Known concerns
- Industrial intermediate role
- Silicone environmental profile
- Sparse ingredient-specific data
References
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.