Film Former
HYDROGEN DIMETHICONE/OCTYL SILSESQUIOXANE COPOLYMER
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A hybrid silicone copolymer with reactive Si-H bonds and silsesquioxane structures — forms durable, flexible films often used as a binder for makeup powders. Inert after cure.
Function
Skin benefits
- Forms flexible, durable films
- Binder for makeup powders
- Improves long-wear
- Inert at use levels
Known concerns
- Si-H bonds can react during manufacture
- Not biodegradable
- Limited public toxicology
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.