Methoxy PEG-7
AKA “Polyethylene Glycol Methyl Ether
Synthetic
Ingredient Facts
Methoxy peg-7
AKA: Polyethylene Glycol Methyl Ether
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Skin Conditioner
Synthetic
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
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.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Moisturising
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR