Dimethiconol/Silica Crosspolymer

Dimethiconol/Silica Crosspolymer 1
AKA: Silicone-Silica Crosspolymer
Synthetic
Occlusive
Silicone
Not Clean
Dimethiconol/Silica Crosspolymer is a copolymer of Dimethiconol and Silica
CAS #
-
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.
Creates Protective Barrier
Traditional Use
A hybrid silicone-silica polymer developed in the late 20th century for cosmetics to create lighter textures with improved absorbency and a more natural feel on skin than conventional silicone polymers.
EWG
4
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-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR