murphyPPG-15
molecular structure · PubChem
AKA: Polypropylene Glycol 15
Synthetic
Skin Conditioner
Clean
OriginDerived from propylene glycol, a petroleum-based synthetic organic compound in the glycol family. Synthesized through polymerization of propylene oxide, typically producing a polymer chain of approximately 15 repeat units.
Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy- (15 mol PO average molar ratio)
CAS #
25322-69-4
Form
Liquid
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR