PEG-12 Dioleate

AKA: 2-((9Z)-octadec-9-enoyloxy)ethyl (9Z)-octadec-9-enoate, 2-Ethanediyl dioleate, Ethylene glycol dioleate, Dioleoyl ethylene glycol

Synthetic

Cleanser

Emulsifier

Not Clean

OriginDerived from polyethylene glycol (PEG) and oleic acid, a fatty acid found in animal and vegetable oils. Synthesized through esterification of PEG and oleic acid via acid-catalyzed condensation reaction.

Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-9-octadecenyl)-.omega.-[(1-oxo-9-octadecenyl)oxy]-, (Z,Z)- (12 mol EO average molar ratio)

CAS #

9005-07-6, 52668-97-0

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

Functions

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Emulsifier

Mixes Oil & Water

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

CIR

Safe as used

Pregnancy

Yes

Restricted By

Credo Beauty Whole Foods Premium Body Care Beauty Heroes MADE SAFE EWG VERIFIED

Concentration Guide

Leave-on0.024–4.5%

Rinse-off0.12–1%

0%50%100%

CIR reported use · 2014 survey

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Jun 2026

Data: CosIng · EWG · CIR