murphyPEG-6 Propylene Glycol Caprylate/Caprate
molecular structure · PubChem
AKA: Polyethylene glycol 6 propylene glycol caprylate caprate
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Not Clean
OriginDerived from caprylic and capric acids (octanoic and decanoic acids), which are saturated fatty acids commonly sourced from coconut or palm kernel oils. Synthesized through esterification with propylene glycol, followed by ethoxylation with polyethylene glycol (6 moles).
Octanoic and decanoic acids, 2-hydroxypropyl esters, ethoxylated (6 mol EO average molar ratio)
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
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 2016
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR