murphySteareth-30
molecular structure · PubChem
AKA: Stearyl Polyethylene Glycol Ether, PEG Stearate
Plant-Derived
Cleanser
Not Clean
OriginDerived from stearic acid, typically sourced from coconut, palm, or animal fats through saponification. Produced through ethoxylation of stearyl alcohol with ethylene oxide to create a nonionic surfactant.
Poly(oxy-1,2-ethanediyl), .alpha.-octadecyl-.omega.-hydroxy
CAS #
9005-00-9
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.
Gel Forming
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Cleansing Surfactant
Removes dirt and impurities
Lifts away dirt and oil
Creates gel consistency
The paper trail
🔬Peer-reviewed1 paper →
⚖️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
Leave-onNot reported
Rinse-off0.5%
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR