murphyPEG-75 Propylene Glycol Stearate
molecular structure · PubChem
AKA: Polyethylene Glycol 75 Propylene Glycol Stearate
Plant-Derived
Cleanser
Emulsifier
Not Clean
OriginDerived from stearic acid (a saturated fatty acid) combined with propylene glycol and polyethylene glycol. Synthesized through esterification of stearic acid with propylene glycol, followed by ethoxylation with ethylene oxide.
Poly(oxy-1,2-ethanediyl), .alpha.-(2-(1-oxooctadecyl)oxy-1-methylethyl)-.omega.-hydroxy- (75 mol EO average molar ratio)
CAS #
-
Form
Liquid
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
Locks In Moisture
Antioxidant Protection
Anti-Aging Benefits
Removes Impurities
Mixes Oil & Water
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