Dimethicone/Vinyltrimethylsiloxysilicate Crosspolymer
molecular structure · PubChem
AKA: Silicone Crosspolymer
Synthetic
Occlusive
Silicone
Clean
Dimethicone/Vinyltrimethylsiloxysilicate Crosspolymer is a copolymer of dimethylpolysiloxane crosslinked with vinyltrimethylsiloxysilicate
Form
Powder
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Controls product thickness
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 619)
Concentration Guide
Leave-on0.04–6%
Rinse-offNot reported
0%50%100%
CIR reported use · 2012 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
murphy