Film Former
HYDROGENATED STYRENE/METHYLSTYRENE/INDENE COPOLYMER
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A fully hydrogenated synthetic resin that forms a tough, glossy film — used in nail polishes and lip products for shine and staying power. Saturation removes the reactivity of unhydrogenated styrene polymers.
Function
Skin benefits
- Forms tough, glossy films
- Improves wear time of nail and lip products
- Enhances shine and color depth
- Stable hydrogenated structure
Known concerns
- Inert hydrogenated polymer with minimal absorption
- Manufacturer purity controls govern residue levels
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.