Is Ceteareth-20 Methacrylate safe in cosmetics?
Ceteareth-20 Methacrylate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Ceteareth-20 Methacrylate
INCI: CETEARETH-20 METHACRYLATE
Ceteareth-20 Methacrylate (CAS Not individually assigned (used as monomer in Acrylates/Ceteareth-20 Methacrylate Copolymer and Crosspolymer)) is a cosmetic cosmetic ingredient functioning as Film forming; viscosity controlling; emulsion stabilizing (used in. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not individually assigned (used as monomer in Acrylates/Ceteareth-20 Methacrylate Copolymer and Crosspolymer)
View industrial chemical safety profile →
Function
Film forming; viscosity controlling; emulsion stabilizing (used in polymerized/crosslinked form)
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR assessed the acrylates copolymers class — residual monomer must be <100 ppm
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ceteareth-20 Methacrylate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Ceteareth-20 Methacrylate.
Regulatory Flags
potential-allergen
Frequently Asked Questions
Is Ceteareth-20 Methacrylate allowed in the EU?
Ceteareth-20 Methacrylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ceteareth-20 Methacrylate do in cosmetics?
Ceteareth-20 Methacrylate functions as: Film forming; viscosity controlling; emulsion stabilizing (used in polymerized/crosslinked form). It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (used as monomer in Acrylates/Ceteareth-20 Methacrylate Copolymer and Crosspolymer).
Compliance Tools
Check Ceteareth-20 Methacrylate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Is Ceteareth-20 Methacrylate in Your Products?
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Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Ceteareth-20 Methacrylate in your formulation.