Oleth-100

AKA: PEG-100 oleyl ether, Polyoxyethylene oleyl ether, UNKNOWN

Synthetic

Cleanser

Clean

OriginDerived from oleic acid and ethylene oxide, both petroleum-derived or plant-derived feedstocks. Synthesized through ethoxylation, where ethylene oxide chains are added to oleic acid molecules.

Oleth-100 is the polyethylene glycol ether of Oleyl Alcohol

CAS #

-

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

Removes Impurities

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

CIR lists it as not reported to be in use.

CIR · report published 2012

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