murphyPEG/PPG-20/22 Methyl Ether Dimethicone
molecular structure · PubChem
AKA: Silicone Glycol Copolymer
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Silicone
Not Clean
OriginSynthesized from dimethicone (silicone oil) and polyethylene glycol/polypropylene glycol polymers. Created through chemical coupling of silicone and polyether components via condensation reactions.
Siloxanes and silicones, di-Me, 3-hydroxypropyl Me, ethers with polyethylene-polypropylene glycol mono-Me ether (20 mol EO, 22 mol PO average molar ratio)
CAS #
125857-75-2
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Removes Impurities
Conditions Hair
Cleansing Surfactant
Emulsifier
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR