Trimethylsiloxysilicate/Dimethicone Crosspolymer

AKA: Silicone Crosspolymer, Siloxane Polymer

Synthetic

Silicone

Clean

OriginDerived from silicone polymers, specifically siloxane compounds created from silicon and oxygen chains. Synthesized through condensation polymerization of dimethicone with trimethylsiloxy end-capping agents under catalytic conditions.

Trimethylsiloxysilicate/Dimethicone Crosspolymer

Form

Powder

State

Solid

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

Functions

Antifoaming

Prevents Foam Buildup

Reduces foam

The paper trail

🔬Peer-reviewed1 paper →

⚖️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

Whole Foods Premium Body Care Beauty Heroes

Concentration Guide

CIR lists it as not reported to be in use.

CIR · 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