PEG/PPG-17/4 Dimethyl Ether
AKA “Silicone Glycol Copolymer, Dimethyl Ether
Skin Conditioning
Ingredient Facts
Peg/ppg-17/4 dimethyl ether
AKA: Silicone Glycol Copolymer
Skin Conditioning · Skin Conditioning · EWG: 2
Synthetic
Skin Conditioner
Clean
Methyloxirane, polymer with oxirane, dimethyl ether (17 mol EO, 4 mol PO average)
Effective at 3.5%
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
A modern synthetic solvent and conditioning agent developed for the cosmetics industry in the late 20th century. Created to improve ingredient solubility and product texture in contemporary formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Concentration Guide
0.00011%
7.0%
0%10%
Effective Range
CIR reported use: 0.01-2 | 0.00011-7 | 0.1-5
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
PEG/PPG-14/7 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-17/4 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-22/40 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-27/14 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-3/6 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-35/40 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-36/41 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-50/40 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-52/32 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-55/28 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-7/12 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-9/2 Dimethyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-14/7 Dimethyl Ether
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG/PPG-17/4 Dimethyl Ether
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG/PPG-36/41 Dimethyl Ether
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG/PPG-9/2 Dimethyl Ether
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR