Regulatory Status
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Safety Data
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Expert 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.
Regulatory Flags
Frequently Asked Questions
Is Ammonium Styrene/MA Copolymer safe in cosmetics?
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. The EU classifies Ammonium Styrene/MA Copolymer as "permitted". Safety rating: GOOD.
Is Ammonium Styrene/MA Copolymer allowed in the EU?
Ammonium Styrene/MA Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ammonium Styrene/MA Copolymer do in cosmetics?
Ammonium Styrene/MA Copolymer functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (MA = Maleic Anhydride/Maleic Acid copolymer).
What is the Margin of Safety for Ammonium Styrene/MA Copolymer?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
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Related Ingredients
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