Is Ammonium Styrene/MA Copolymer safe in cosmetics?
Ammonium Styrene/MA Copolymer has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Ammonium Styrene/MA Copolymer
INCI: AMMONIUM STYRENE/MA COPOLYMER
Ammonium Styrene/MA Copolymer (CAS Not individually assigned (MA = Maleic Anhydride/Maleic Acid copolymer)) is a cosmetic cosmetic ingredient functioning as Film forming. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not individually assigned (MA = Maleic Anhydride/Maleic Acid copolymer)
View industrial chemical safety profile →
Function
Film forming
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; styrene/maleic anhydride copolymers are well-established in cosmetics
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ammonium Styrene/MA Copolymer.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Ammonium Styrene/MA Copolymer.
Regulatory Flags
potential-allergen
Frequently Asked Questions
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).
Compliance Tools
Check Ammonium Styrene/MA Copolymer compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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