murphyPEG-7 Methyl Ether Dimethicone
molecular structure · PubChem
AKA: Polyethylene Glycol 7 Methyl Ether Dimethicone
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Silicone
Not Clean
OriginDerived from dimethicone siloxane polymers combined with polyethylene glycol chains through synthetic coupling. Produced by ethoxylation of dimethicone, attaching polyoxyethylene units to the silicone backbone.
Silicones and siloxanes, dimethyl, 3-(methylpoly(oxy-1,2-ethanediyl))propyl methyl, trimethylsilyl terminated, (7 mol EO average molar ratio)
CAS #
9004-74-4
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks in moisture
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
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