C4-8 Alkyl Acrylate/HEMA Copolymer

INCI: C4-8 ALKYL ACRYLATE/HEMA COPOLYMER

CAS Number
Not assigned
Function
Hair fixing (film former for hair styling)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Adequate when residual monomer content is controlled

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

HEMA residual monomer is a documented contact sensitizer common in nail products. CIR explicitly warns that products containing methacrylate copolymers should include directions to avoid skin contact. Residual HEMA must be quantified on CoA. If used in leave-on skin products, additional HRIPT data is recommended.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is C4-8 Alkyl Acrylate/HEMA Copolymer safe in cosmetics?

HEMA residual monomer is a documented contact sensitizer common in nail products. CIR explicitly warns that products containing methacrylate copolymers should include directions to avoid skin contact. Residual HEMA must be quantified on CoA. If used in leave-on skin products, additional HRIPT data is recommended. The EU classifies C4-8 Alkyl Acrylate/HEMA Copolymer as "prohibited". Safety rating: GOOD.

Is C4-8 Alkyl Acrylate/HEMA Copolymer allowed in the EU?

C4-8 Alkyl Acrylate/HEMA Copolymer EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does C4-8 Alkyl Acrylate/HEMA Copolymer do in cosmetics?

C4-8 Alkyl Acrylate/HEMA Copolymer functions as: Hair fixing (film former for hair styling). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned.

What is the Margin of Safety for C4-8 Alkyl Acrylate/HEMA 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.

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