murphyCetearyl Dimethicone/Vinyl Dimethicone Crosspolymer
molecular structure · PubChem
AKA: Silicone Crosspolymer, Dimethicone Copolymer
Plant-Derived
Emollient
Occlusive
Skin Conditioner
Hair Care
Silicone
Clean
OriginSynthesized from dimethicone and vinyl dimethicone polymers, belonging to the silicone chemical family. Produced through crosslinking polymerization of silicone monomers via hydrosilylation catalysis.
Dimethylsiloxane/cetearylmethylsiloxane copolymer, polymer with vinyl-terminated polydimethylsiloxane
CAS #
243137-50-0
Form
Liquid
Skin Types
●all-skin-types, gentle
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.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
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