PEG/PPG-27/27 Dimethicone
AKA “Silicone Surfactant, Silicone Emulsifier
Synthetic
Ingredient Facts
Peg/ppg-27/27 dimethicone
AKA: Silicone Surfactant, Silicone Emulsifier
Synthetic · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Silicone
Synthetic
Clean
Siloxanes and silicones, dimethyl, 3-hydroxypropyl methyl, ethoxylated, propoxylated (27 mol EO, 27 mol PO average molar ratio) Science: Functions: Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
Form
Liquid
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Emulsifier
Mixes Oil & Water
Traditional Use
A silicone copolymer developed for cosmetic applications. Created to improve emulsification, spreadability, and sensory properties of modern skincare and beauty products.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR