Regulatory Status
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Safety Data
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Expert Verdict
General PEG class concerns include potential 1,4-dioxane and ethylene oxide contamination from manufacturing; may enhance penetration of other ingredients through compromised skin. Solid waxy consistency (PEGs above ~4,000 g/mol are solid); water-soluble, non-greasy; decreasing hygroscopicity with increasing molecular weight
Regulatory Flags
Frequently Asked Questions
Is Methoxy PEG-144 safe in cosmetics?
General PEG class concerns include potential 1,4-dioxane and ethylene oxide contamination from manufacturing; may enhance penetration of other ingredients through compromised skin. Solid waxy consistency (PEGs above ~4,000 g/mol are solid); water-soluble, non-greasy; decreasing hygroscopicity with increasing molecular weight The EU classifies Methoxy PEG-144 as "permitted". Safety rating: MODERATE.
Is Methoxy PEG-144 allowed in the EU?
Methoxy PEG-144 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methoxy PEG-144 do in cosmetics?
Methoxy PEG-144 functions as: Not yet formally assigned by CosIng; based on PEG class behavior at this molecular weight (~6,340 g/mol), it functions as a consistency enhancer and humectant. It is classified as a cosmetic ingredient in our database. CAS number: 9004-74-4 (generic methoxy polyethylene glycol).
What is the Margin of Safety for Methoxy PEG-144?
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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