murphyPEG-10 Propylene Glycol
molecular structure · PubChem
AKA: Polyethylene Glycol 10 Propylene Glycol
Synthetic
Humectant
Solvent
Not Clean
OriginPEG-10 Propylene Glycol is synthesized from propylene glycol, a petroleum-derived organic compound in the glycol family. It is produced through ethoxylation, wherein propylene glycol is reacted with ethylene oxide to create the polyethylene glycol polymer.
Poly(oxy-1,2-ethanediyl), .alpha, alpha'-1,2-propanediylbis-, omega hydroxy (10 mol EO average molar ratio)
CAS #
9003-11-6
Form
Liquid
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
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