Ammonium Styrene
Film forming
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details
Description
Film forming
Purpose
Function
Film forming
Profile
Properties
Silicone
Silicone free
Compliance
Regulatory Status
EU
Permitted
Safety
GOOD
US
Permitted
Absorptionnegligible
Sensitizationlow
MoSnot established
ConcernModerate
Verdict
Ammonium styrene/maleic anhydride copolymer is permitted in EU and US cosmetics as a film-forming agent; however, residual styrene monomer (IARC 2A carcinogen) and maleic anhydride (respiratory and skin sensitizer) must be tightly controlled in manufacturing specifications.
US Note
Permitted; styrene/maleic anhydride copolymers are well-established in cosmetics
Assessment
Ratings
Reference
Identifiers
No registry identifiers available for this ingredient.