Is Methoxy PEG-10 safe in cosmetics?
Methoxy PEG-10 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Methoxy PEG-10
INCI: METHOXY PEG-10
Methoxy PEG-10 (CAS 9004-74-4 (generic polyethylene glycol monomethyl ether series). The "10" indicates ~10 ethylene oxide units (avg. MW ~500 g/mol).) is a cosmetic cosmetic ingredient functioning as Humectant, solvent, viscosity controlling. Liquid PEGs of this molecular weight. 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
9004-74-4 (generic polyethylene glycol monomethyl ether series). The "10" indicates ~10 ethylene oxide units (avg. MW ~500 g/mol).
View industrial chemical safety profile →
Function
Humectant, solvent, viscosity controlling. Liquid PEGs of this molecular weight range serve as solvents and humectants.
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Allowed. PEGs have been assessed as safe for cosmetic use by CIR.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Methoxy PEG-10.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Methoxy PEG-10.
Regulatory Flags
peg-ingredient
Frequently Asked Questions
Is Methoxy PEG-10 allowed in the EU?
Methoxy PEG-10 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methoxy PEG-10 do in cosmetics?
Methoxy PEG-10 functions as: Humectant, solvent, viscosity controlling. Liquid PEGs of this molecular weight range serve as solvents and humectants.. It is classified as a cosmetic ingredient in our database. CAS number: 9004-74-4 (generic polyethylene glycol monomethyl ether series). The "10" indicates ~10 ethylene oxide units (avg. MW ~500 g/mol)..
Compliance Tools
Check Methoxy PEG-10 compliance across multiple jurisdictions:
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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