murphyPEG-8 Propylene Glycol Cocoate
molecular structure · PubChem
AKA: Polyethylene Glycol 8 Propylene Glycol Cocoate
Synthetic
Cleanser
Emulsifier
Clean
OriginTypically derived from coconut oil as the starting material through esterification processes. Synthesized by polyethylene glycol (PEG) chain attachment to propylene glycol cocoate via chemical modification.
Fatty acids, coco, 2-hydroxypropyl ester, ethoxylated (8 mol EO average molar ratio)
CAS #
126645-98-5
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Reduces Inflammation
Locks In Moisture
Fights Bacteria
Removes Impurities
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed4 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-on1.2%
Rinse-offNot reported
0%50%100%
CIR reported use · 2016 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR