murphyOleth-10
molecular structure · PubChem
AKA: PEG-10 oleyl ether, Polyoxyethylene oleyl ether, UNKNOWN
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from oleic acid and ethylene oxide, belonging to the polyethoxylated alcohol surfactant family. Synthesized through ethoxylation of oleyl alcohol with ten ethylene oxide units.
Poly(oxy-1,2-ethanediyl), .alpha.-9-(Z)-octadecenyl-.omega.-hydroxy (10 mol EO average molar ratio)
CAS #
9004-98-2
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.
Surfactant Cleansing
Surfactant Emulsifying
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
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Eye Irritant in Testing
1 study / 1 irritating / reactions moderate (CIR 46)
Skin Irritant in Testing
3 studies / 3 irritating / reactions minimal to mild (CIR 46 and 581)
Concentration Guide
Leave-on0.2–14%
Rinse-off0.2–5%
0%50%100%
CIR reported use · 2010 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR