Methoxy PEG-7
AKA “Polyethylene Glycol Methyl Ether”
Humectant
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Ingredient Facts
Methoxy peg-7
AKA: Polyethylene Glycol Methyl Ether
Humectant · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Not Clean
Polyethylene Glycol (7) Monomethyl Ether
CAS #
9004-74-4
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
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
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR