murphyPEG/PPG-23/23 Butyl Ether Dimethicone
molecular structure · PubChem
AKA: Silicone Surfactant, Silicone Emulsifier
Synthetic
Humectant
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Silicone
Not Clean
OriginSynthesized from dimethicone, a silicone polymer, combined with polyethylene glycol and polypropylene glycol chains. Produced through etherification and polymerization reactions attaching butyl ether groups to the dimethicone backbone.
PEG/PPG-23/23 Butyl Ether Dimethicone is the butyl ether of a derivative of Dimethicone containing an average of 23 moles of ethylene oxide and 23 moles of propylene oxide
CAS #
-
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
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
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