PEG-12 Diisostearate

AKA: Polyethylene Glycol 12 Diisostearate, Emollient

Plant-Derived

Cleanser

Emulsifier

Clean

OriginDerived from isostearic acid and polyethylene glycol, both petroleum-derived synthetic materials. Produced through ethoxylation, where polyethylene glycol chains are chemically bonded to isostearate esters.

Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-16-methylheptadecyl)-.omega.-[(1-oxo-16-methylheptadecyl)oxy]-, (12 mol EO average molar ratio)

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-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed2 reviews →

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-on4%

Rinse-off2.3–10%

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