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
OriginSynthesized from propylene oxide and ethylene oxide polymers, members of the polyether chemical family. Produced through polymerization reactions combining polyethylene glycol and polypropylene glycol building blocks.
Methyloxirane, polymer with oxirane, dimethyl ether (9 mol EO, 2 mol PO average)
CAS #
61419-46-3
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.01–2%
Rinse-off0.03–0.97%
0%50%100%
CIR reported use · report published 2016
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR