PEG-7 Methyl Ether Dimethicone
AKA “Polyethylene Glycol 7 Methyl Ether Dimethicone”
Surfactant
Ingredient Facts
Peg-7 methyl ether dimethicone
AKA: Polyethylene Glycol 7 Methyl Ether Dimethicone
Surfactant · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Silicone
Not Clean
Silicones and siloxanes, dimethyl, 3-(methylpoly(oxy-1,2-ethanediyl))propyl methyl, trimethylsilyl terminated, (7 mol EO average molar ratio)
CAS #
9004-74-4
Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks in moisture
Traditional Use
A modern synthetic hybrid combining polyethylene glycol with both methyl ether and silicone. Developed to provide silicone's cosmetic benefits while improving water compatibility, representing purely contemporary formulation chemistry.
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