murphyPEG-4 Stearamide
molecular structure · PubChem
AKA: Polyethylene Glycol 4 Stearamide
Plant-Derived
Cleanser
Not Clean
OriginDerived from stearic acid, a saturated fatty acid typically sourced from animal or vegetable fats. Synthesized through ethoxylation, where ethylene oxide is chemically bonded to stearamide to create the polyethylene glycol polymer chain.
Poly(oxy-1,2-ethanediyl), .alpha.-hydroxy-.omega.-[(1-oxooctadecyl)amino]- (4 mol EO average molar ratio)
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.
Cleansing Surfactant
Locks In Moisture
Wound Healing
Antioxidant Protection
Removes Impurities
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 2019
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR