Film Former
BIS-TRIMETHOXYSILYLETHYL TETRAMETHYLDISILOXYETHYL DIMETHICONE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A reactive silane-functional silicone that cures into long-wear, water-resistant films. Releases trace methanol during cure; well-tolerated when used at typical low concentrations.
Function
Skin benefits
- Forms durable water-resistant films
- Long-lasting protection
- Useful in long-wear color products
Known concerns
- Releases methanol on hydrolysis from methoxysilane groups
- Cure chemistry can sensitize at high %
- Not biodegradable
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.