murphyPEG/PPG-3/10 Dimethicone
molecular structure · PubChem
AKA: Silicone Surfactant, Silicone Emulsifier
Synthetic
Cleanser
Emulsifier
Silicone
Not Clean
OriginDerived from dimethicone, a silicone polymer, combined with polyethylene glycol and polypropylene glycol units. Synthesized through ethoxylation and propoxylation reactions that attach polyether chains to the silicone backbone.
Siloxanes and silicones, dimethyl, 3-hydroxypropyl methyl, ethoxylated, propoxylated (3 mol EO, 10 mol PO average molar ratio)
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
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
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