Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone Copolymer

INCI: LAURYL METHACRYLATE/METHACRYLOYLOXYPROPYL DIMETHICONE COPOLYMER

CAS Number
Not assigned (silicone-acrylate copolymer — no single CAS)
Function
Film former; skin conditioning; emulsion stabilizer
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — falls within CIR's acrylates copolymers and dimethicone copolymers safe-use conclusions

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual methacrylate monomer must be controlled. Silicone-acrylate hybrid — confirm absence of cyclic siloxane impurities (D4/D5/D6) per REACH Annex XVII Entry 70 if EU-destined. Limited ingredient-specific tox data; safety supported by read-across from both acrylates copolymers and dimethicone copolymers CIR reports.

⚠️
Concern Level: Low

Frequently Asked Questions

Is Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone Copolymer safe in cosmetics?

Residual methacrylate monomer must be controlled. Silicone-acrylate hybrid — confirm absence of cyclic siloxane impurities (D4/D5/D6) per REACH Annex XVII Entry 70 if EU-destined. Limited ingredient-specific tox data; safety supported by read-across from both acrylates copolymers and dimethicone copolymers CIR reports. The EU classifies Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone Copolymer as "permitted". Safety rating: GOOD.

Is Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone Copolymer allowed in the EU?

Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone Copolymer do in cosmetics?

Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone Copolymer functions as: Film former; skin conditioning; emulsion stabilizer. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (silicone-acrylate copolymer — no single CAS).

What is the Margin of Safety for Lauryl Methacrylate/Methacryloyloxypropyl Dimethicone 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.

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