Good Cosmetic Ingredient

Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer

INCI: DIMETHYLACRYLAMIDE/ACRYLIC ACID/POLYSTYRENE ETHYL METHACRYLATE COPOLYMER

CAS Number
Not assigned (polymer; COSING Ref No: 55924)
Function
Film forming, skin conditioning, viscosity controlling
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — not restricted under 21 CFR; CIR reviewed analogous acrylamide/acrylate copolymers as safe

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual acrylamide monomer must be ≤5 ppm in finished formulation; manufacture under cGMP required; provides 24-hour bioadhesion and enhances active delivery — consider this when co-formulating with actives

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Concern Level: Moderate

Frequently Asked Questions

Is Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer safe in cosmetics?

Residual acrylamide monomer must be ≤5 ppm in finished formulation; manufacture under cGMP required; provides 24-hour bioadhesion and enhances active delivery — consider this when co-formulating with actives The EU classifies Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer as "permitted". Safety rating: GOOD.

Is Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer allowed in the EU?

Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer do in cosmetics?

Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer functions as: Film forming, skin conditioning, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymer; COSING Ref No: 55924).

What is the Margin of Safety for Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer?

adequate 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

Check Dimethylacrylamide/Acrylic Acid/Polystyrene Ethyl Methacrylate Copolymer compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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