murphyBehenoxy Dimethicone
molecular structure · PubChem
AKA: Behenoxy silicone, Dimethicone behenyl ether
Synthetic
Emollient
Skin Conditioner
Silicone
Clean
OriginSynthesized from dimethicone, a silicone polymer, combined with behenyl alcohol derived from behenic acid. Produced through esterification or etherification reactions bonding behenyl groups to the silicone backbone.
Poly(oxy(dimethylsilylene)),.alpha.-docosyl-.omega.-(docosyloxy)-
CAS #
193892-43-2
Form
Liquid
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed5 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-on0.5%
Rinse-offNot reported
0%50%100%
CIR reported use · 2019 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR