PEG/PPG-9/2 Dimethyl Ether

PEG/PPG-9/2 Dimethyl Ether molecular structure
molecular structure · PubChem
AKA: Dimethyl ether copolymer, Silicone humectant
Synthetic
Skin Conditioner
Clean
Methyloxirane, polymer with oxirane, dimethyl ether (9 mol EO, 2 mol PO average)
CAS #
61419-46-3
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 conditioning agent developed as part of advanced polymer chemistry in cosmetics during the late 20th century. Designed to improve sensory feel and spreadability in personal care products.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR