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PEG/PPG-27/9 Butyl Ether Dimethicone
AKA “Silicone Surfactant, Silicone Emulsifier”
Surfactant
Ingredient Facts
Peg/ppg-27/9 butyl ether dimethicone
AKA: Silicone Surfactant, Silicone Emulsifier
Surfactant · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Silicone
Not Clean
Siloxanes and silicones, di-Me, 3-hydroxypropyl Me, ethers with polyethylene-polypropylene glycol mono-butyl ether
Form
Liquid
See origin →
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.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks in moisture
Traditional Use
Developed in the late 20th century as a synthetic hybrid combining polyethylene glycol, polypropylene glycol, and silicone. Created to function as a lightweight emollient and solubilizer in modern cosmetic formulations with improved spreadability.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR