PEG/PPG-27/27 Dimethicone

AKA: Silicone Surfactant, Silicone Emulsifier
Synthetic
Cleanser
Emulsifier
Silicone
Clean
Siloxanes and silicones, dimethyl, 3-hydroxypropyl methyl, ethoxylated, propoxylated (27 mol EO, 27 mol PO average molar ratio)
Form
Liquid
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed3 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR