PEG-8 Cetyl Dimethicone

AKA: Cetyl PEG-8 Dimethicone, Polyethylene Glycol 8 Cetyl Dimethicone

Synthetic

Skin Conditioner

Silicone

Clean

OriginDerived from dimethicone (a silicone polymer) and cetyl alcohol, then modified with polyethylene glycol chains. Synthesized through ethoxylation, attaching polyethylene oxide units to the silicone-alcohol base molecule.

Siloxanes and silicones, dimethyl, hexadecyl methyl, alpha-hydropoly(oxy-1,2-ethanediyl)oxypropyl methyl- (8 mol EO average molar ratio)

Form

Liquid

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

Functions

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Locks in moisture

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-on0.0005%

Rinse-offNot reported

0%50%100%

CIR reported use · report published 2014

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