PEG-3 Distearate
AKA “9005-08-7, Ethane-1, 2-diol;heptadecanoic acid, SCHEMBL11828691, ethylene glycol;heptadecanoic acid, QYJQHDWGURXGNL-UHFFFAOYSA-N, C19H40O4, MFCD00084419, Protamate 200-DS(TM), PEG-4 Distearate(TM)
Surfactant
Ingredient Facts
Peg-3 distearate
AKA: 9005-08-7, Ethane-1, 2-diol;heptadecanoic acid, SCHEMBL11828691, Ethylene glycol;heptadecanoic acid, QYJQHDWGURXGNL-UHFFFAOYSA-N, C19H40O4, MFCD00084419, Protamate 200-DS(TM), PEG-4 Distearate(TM)
Surfactant · Emulsifying · EWG: 2
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxooctadecyl)-.omega.-[(1-oxooctadecyl)oxy]- (3 mol EO average molar ratio)
Formula
C19H40O4
Mol. Weight
332.50
CAS #
9005-08-7
See origin →
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 synthetic polyethylene glycol-based emulsifier developed in the 20th century cosmetics industry. Designed to stabilize and thicken formulations by bridging oil and water components.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR