PEG-7 Methyl Ether
AKA “Polyethylene Glycol 7 Methyl Ether, PEG-7 Methyl Ether”
Synthetic
Ingredient Facts
Peg-7 methyl ether
AKA: Polyethylene Glycol 7 Methyl Ether
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Synthetic
Clean
A gentle solvent that helps blend and dissolve other ingredients in the formula, ensuring a smooth, even texture.
CAS #
9004-74-4
Form
Liquid
See origin →
Functions
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.
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Antimicrobial
Strengthens Barrier
Dissolves other ingredients
Traditional Use
A synthetic humectant and solvent developed in the 20th century as part of the polyethylene glycol family. Serves no traditional use and was created purely for cosmetic formulation purposes to improve texture and hydration.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR