Trimethylsiloxysilicate/Dimethicone Crosspolymer

Trimethylsiloxysilicate/Dimethicone Crosspolymer 1
Trimethylsiloxysilicate/Dimethicone Crosspolymer 2
Trimethylsiloxysilicate/Dimethicone Crosspolymer 3
Trimethylsiloxysilicate/Dimethicone Crosspolymer 4
AKA: Silicone Crosspolymer, Siloxane Polymer
Synthetic
Silicone
Clean
Trimethylsiloxysilicate/Dimethicone Crosspolymer
Form
Powder
State
Solid
Functions
Antifoaming
Prevents Foam Buildup
Reduces foam
Traditional Use
A crosslinked silicone polymer developed in the late 20th century as an advanced version of dimethicone. Used to provide longer-lasting skin and hair conditioning with a lighter, more elegant feel.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR