PEG/PPG-55/28 Dimethyl Ether
AKA “Dimethyl ether copolymer, Silicone humectant
Skin Conditioning
Ingredient Facts
Peg/ppg-55/28 dimethyl ether
AKA: Dimethyl ether copolymer, Silicone humectant
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Not Clean
Methyloxirane, polymer with oxirane, dimethyl ether (55 mol EO, 28 mol PO average)
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Synthetic emollient developed in cosmetic laboratories as a multifunctional ingredient. Formulated to provide superior spreadability, hydration, and compatibility with diverse active ingredients.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR