Moderate Cosmetic Ingredient

Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer

INCI: BUTYL ACRYLATE/ISOPROPYLACRYLAMIDE/PEG-18 DIMETHACRYLATE CROSSPOLYMER

CAS Number
Not publicly assigned (crosslinked polymer)
Function
Film forming, viscosity controlling
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes CIR (2022): Acrylamide/acrylate copolymers assessed — safe as used provided residual acrylamide monomer does not exceed 5 ppm in cosmetic formulations

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual acrylamide monomer is a critical concern. Acrylamide is classified as CMR (Carcinogenic Category 1B, Mutagenic Category 1B, Reproductive Toxic Category 2 under CLP). Batch-level verification that residual monomer does not exceed 5 ppm is mandatory; validated GC-MS analysis and Certificate of Analysis required for each batch.

⚠️
Concern Level: High

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer safe in cosmetics?

Residual acrylamide monomer is a critical concern. Acrylamide is classified as CMR (Carcinogenic Category 1B, Mutagenic Category 1B, Reproductive Toxic Category 2 under CLP). Batch-level verification that residual monomer does not exceed 5 ppm is mandatory; validated GC-MS analysis and Certificate of Analysis required for each batch. The EU classifies Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer as "restricted". Safety rating: MODERATE.

Is Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer allowed in the EU?

Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer do in cosmetics?

Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer functions as: Film forming, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (crosslinked polymer).

What is the Margin of Safety for Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer?

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 Butyl Acrylate/Isopropylacrylamide/PEG-18 Dimethacrylate Crosspolymer 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
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Heavy Metal Limits
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