Moderate Cosmetic Ingredient

Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer

INCI: DIMETHYLAMINOETHYLMETHACRYLATE/HEMA/LAURYL METHACRYLATE COPOLYMER

CAS Number
Not assigned as a single CAS (multi-monomer copolymer)
Function
Hair fixing agent, film forming
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Permitted — no specific CFR restriction

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Dual monomer sensitization risk from DMAEMA and HEMA components; HEMA is a common contact allergen in acrylate-sensitized populations; CoA must document residual DMAEMA and HEMA each <10 ppm; recommended for rinse-off hair products only as leave-on use increases sensitization risk.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer safe in cosmetics?

Dual monomer sensitization risk from DMAEMA and HEMA components; HEMA is a common contact allergen in acrylate-sensitized populations; CoA must document residual DMAEMA and HEMA each <10 ppm; recommended for rinse-off hair products only as leave-on use increases sensitization risk. The EU classifies Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer as "restricted". Safety rating: MODERATE.

Is Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer allowed in the EU?

Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer do in cosmetics?

Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer functions as: Hair fixing agent, film forming. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned as a single CAS (multi-monomer copolymer).

What is the Margin of Safety for Dimethylaminoethylmethacrylate/HEMA/Lauryl 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 Dimethylaminoethylmethacrylate/HEMA/Lauryl Methacrylate Copolymer compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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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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