Film Former
POTASSIUM BUTYL ESTER OF PVM/MA COPOLYMER
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A butyl-ester variant of the PVM/MA copolymer used to form hydrophobic, water-resistant films in styling and color cosmetics. The high molecular weight prevents skin absorption, giving the polymer a strong safety profile.
Function
Skin benefits
- Strong film-forming and binding action
- More hydrophobic than ethyl-ester analog
- High molecular weight prevents skin penetration
- Common in styling and color-cosmetic films
Known concerns
- Synthetic polymer with limited biodegradability
- Aerosol inhalation should be controlled
- Primarily a formulation aid
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.