C20-40 Pareth-95

AKA: Polyethylene Glycol Ether, PEG Surfactant

Synthetic

Cleanser

Not Clean

OriginDerived from long-chain fatty alcohols (C20-C40) and ethylene oxide, both petroleum-derived or synthetically produced compounds. Synthesized through ethoxylation, where ethylene oxide is added to fatty alcohols via catalytic reaction.

Alcohols, C20-40, ethoxylated (95 mol EO average molar ratio)

CAS #

9002-92-0; 68439-50-9; 5274-68-0; 9004-95-9; 9005-00-9; 4536-30-5; 3055-93-4; 3055-94-5; 3055-95-6

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

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

The paper trail

🔬Peer-reviewednone on file

⚖️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

Concentration Guide

Leave-onNot reported

Rinse-off1–7%

0%50%100%

CIR reported use · 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