PEG-7 Methyl Ether

AKA: Polyethylene Glycol 7 Methyl Ether

Synthetic

Solvent

Not Clean

OriginDerived from ethylene oxide and methanol, members of the polyethylene glycol (PEG) chemical family. Synthesized through ethoxylation of methanol, adding seven ethylene oxide units to create the final compound.

Poly(oxy-1,2-ethanediyl), .alpha.-methyl-.omega.-hydroxy- (7 mol EO average molar ratio)

CAS #

9004-74-4

Form

Liquid

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

Functions

Solvent

Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.

Moisturizing

Antimicrobial

Strengthens Barrier

Dissolves other ingredients

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

EWG

CIR

Safe as used

Pregnancy

Yes

Restricted By

Credo Beauty Whole Foods Premium Body Care Beauty Heroes MADE SAFE EWG VERIFIED

CIR Safety Findings

Skin Irritant in Testing

1 study / 1 irritating / reactions slight to moderate (CIR 581)

Concentration Guide

CIR lists it as not reported to be in use.

CIR · report published 2012

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Jun 2026

Data: CosIng · EWG · CIR