Dimethicone/Vinyltrimethylsiloxysilicate Crosspolymer
AKA: Silicone Crosspolymer
Synthetic
Occlusive
Silicone
Clean
Dimethicone/Vinyltrimethylsiloxysilicate Crosspolymer is a copolymer of dimethylpolysiloxane crosslinked with vinyltrimethylsiloxysilicate
Form
Powder
State
Solid
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
Traditional Use
Developed in the mid-20th century as a silicone-based polymer. First used in industrial applications before being adopted by the cosmetics industry in the 1950s as a skin protectant, smoothing agent, and hair conditioning ingredient.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR