murphyPEG/PPG-23/6 Dimethicone
molecular structure · PubChem
AKA: Silicone Surfactant, Silicone Emulsifier
Synthetic
Cleanser
Emulsifier
Silicone
Not Clean
OriginDerived from dimethicone siloxane polymer combined with polyethylene glycol (PEG) and polypropylene glycol (PPG) chemical families. Synthesized through sequential ethoxylation and propoxylation of dimethicone backbone, then polymerized to create the final copolymer.
Siloxanes and silicones, dimethyl, 3-hydroxypropyl methyl, ethoxylated, propoxylated (23 mol EO, 6 mol PO average molar ratio)
CAS #
-
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Stabilizes Emulsion
Cleansing Surfactant
Lifts away dirt and oil
Keeps product blended
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