murphyPEG-12 Dimethicone Crosspolymer
molecular structure · PubChem
AKA: Crosslinked Silicone Polymer, Silicone Emulsifier
Synthetic
Cleanser
Emulsifier
Silicone
Clean
OriginDerived from silicone polymers and polyethylene glycol (PEG), combined with alkadiene compounds. Synthesized through ethoxylation and crosspolymerization of dimethicone with polyoxyethylene chains and alkadiene monomers.
Silicones and siloxanes, dimethyl, hydropoly(oxy-1,2-ethanediyl methyl, trimethylsilyl terminated, reaction products with C3-20 alkadiene (12 mol EO average molar ratio)
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Light Stabilizer
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Shields from UV damage
The paper trail
🔬Peer-reviewed1 paper →
⚖️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-on0.5–2%
Rinse-off0.3%
0%50%100%
CIR reported use · 2012 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR