Film Former
ACRYLIC ACID/METHYLSTYRENE/STYRENE COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An acrylic-styrene copolymer used as a binder in nail and cosmetic products. Polymer is skin-inert at high MW, but residual styrene (IARC 2A "probably carcinogenic") and microplastic class concerns lower the score.
Function
Skin benefits
- Cosmetic adhesion and binding
- Durable wear
- Skin-inert film
Known concerns
- Residual styrene monomer (IARC 2A)
- Environmental persistence
- Microplastic-class concerns
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.