murphyVinyldimethyl/Trimethylsiloxysilicate Stearyl Dimethicone Crosspolymer
molecular structure · PubChem
Plant-Derived
Occlusive
Silicone
Not Clean
Vinyldimethyl/Trimethylsiloxysilicate Stearyl Dimethicone Crosspolymer is Stearyl Methicone crosslinked with vinyldimethyl/trimethylsiloxysilicate
CAS #
-
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Absorbent
Bulking
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Absorbs Excess Oil
Adds Body & Volume
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Adds volume
Controls product thickness
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 619)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR