Film Former
TRIMETHYLPENTYL POLYSILSESQUIOXANE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A silicone resin powder used for blurring and silky feel. CIR concluded the polysilsesquioxane class is safe in cosmetics; not absorbed through skin and not pore-clogging.
Function
Skin benefits
- Soft-focus optical blurring
- Non-comedogenic silicone polymer
- Excellent slip and skin feel
Known concerns
- Eye irritation if loose powder gets into the eye
- Inhalation of fine powder during manufacture
- No reproductive toxicity data — large polymer, low concern
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.