Regulatory Status
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Safety Data
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Expert Verdict
Same class-wide PEG concerns: potential ethylene oxide and 1,4-dioxane residuals; penetration enhancement on compromised skin. At 16 EO units, this sits at the liquid-to-wax transition zone; good water solubility and hygroscopicity; serves as glycerol substitute in aqueous formulations
Regulatory Flags
Frequently Asked Questions
Is Methoxy PEG-16 safe in cosmetics?
Same class-wide PEG concerns: potential ethylene oxide and 1,4-dioxane residuals; penetration enhancement on compromised skin. At 16 EO units, this sits at the liquid-to-wax transition zone; good water solubility and hygroscopicity; serves as glycerol substitute in aqueous formulations The EU classifies Methoxy PEG-16 as "permitted". Safety rating: MODERATE.
Is Methoxy PEG-16 allowed in the EU?
Methoxy PEG-16 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methoxy PEG-16 do in cosmetics?
Methoxy PEG-16 functions as: Solvent, humectant, consistency modifier - liquid to wax-like at ~16 EO units (~700 g/mol). It is classified as a cosmetic ingredient in our database. CAS number: 9004-74-4 (generic methoxy polyethylene glycol series).
What is the Margin of Safety for Methoxy PEG-16?
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.
Compliance Tools
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Related Ingredients
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