murphyDivinyldimethicone/Dimethicone Crosspolymer
molecular structure · PubChem
AKA: Silicone resin, Film-forming agent
Synthetic
Occlusive
Skin Conditioner
Silicone
Clean
OriginDerived from siloxane polymers, a synthetic compound family based on silicon and oxygen backbones. Synthesized through crosslinking of dimethicone polymers with vinyl-terminated siloxane monomers via hydrosilylation reactions.
Siloxanes and silicones, di-Me, crosspolymers with bis-[(ethenyldimethylsilyl)oxy]-terminated di-Me siloxanes
Form
Liquid
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.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks in moisture
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
Concentration Guide
Leave-on0.007%
Rinse-off0.007–0.7%
0%50%100%
CIR reported use · 2012 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR