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Methoxy PEG-7
AKA “Polyethylene Glycol Methyl Ether”
Synthetic
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Ingredient Facts
Methoxy peg-7
AKA: Polyethylene Glycol Methyl Ether
Synthetic · Humectant | Solvent | Skin Conditioning - Humectant | Moisturising · EWG: 4
Plant-Derived
Humectant
Solvent
Skin Conditioner
Synthetic
Not Clean
Helps your product absorb into skin and keeps it hydrated by drawing moisture to the surface. Also helps blend ingredients smoothly together.
CAS #
9004-74-4
Form
Liquid
Plant-Derived
Synthetic. Derived from polyethylene glycol (PEG), a synthetic polymer made from ethylene oxide, combined with methoxy groups. Synthesized through the polymerization of ethylene oxide followed by methoxylation to create the PEG-7 derivative.
Function
Humectant | Solvent | Skin Conditioning - Humectant | Moisturising
Benefits
Locks In Moisture
Traditional Use
A short-chain synthetic polyethylene glycol derivative developed for modern cosmetics. Used as a humectant and solvent to improve product consistency and water-binding capacity.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR