Film Former
ISOBUTYLENE/MA COPOLYMER
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An isobutylene/maleic anhydride copolymer — used as a hair fixative and film former. Hydrolyzed to its acid form in water, the polymer is inert and CIR-reviewed safe at cosmetic use levels.
Function
Skin benefits
- Effective hair fixative providing flexible hold
- Forms durable film with water-resistance
- pH-responsive viscosity control
- Compatible with both anionic and nonionic systems
Known concerns
- Anhydride form requires hydrolysis to acid groups
- CIR has reviewed safe at cosmetic concentrations
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
Check your shelf
Find ISOBUTYLENE/MA COPOLYMER in your products.
Scan any cosmetic product with LuxSense to see if it contains ISOBUTYLENE/MA COPOLYMER and get a full ingredient breakdown with safety scores.
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.