murphyBehenoxy PEG-10 Dimethicone
molecular structure · PubChem
AKA: PEG-10 behenoxy dimethicone
Synthetic
Humectant
Silicone
Clean
OriginDerived from behenic acid (a long-chain fatty acid) and dimethicone (a silicone polymer), combined with polyethylene glycol. Synthesized through esterification of behenic acid with PEG-10 dimethicone to create a hybrid silicone-emollient compound.
Behenoxy PEG-10 Dimethicone is the product obtained by the reaction of Hydrogen Dimethicone with Behenyl Alcohol and PEG-10 allyl ether
CAS #
1136947-78-8
Form
Liquid
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
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
2
CIR
Safe as used
Pregnancy
Yes
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