PEG-2 Distearate
AKA “Diethylene glycol distearate, 109-30-8, Witconol CAD, OCTADECANOIC ACID, OXYDI-2, 1-ETHANEDIYL ESTER, 617Q4OD69O, 2-[2-(octadecanoyloxy)ethoxy]ethyl octadecanoate, 2-(2-(octadecanoyloxy)ethoxy)ethyl octadecanoate, RefChem:587367, 1, 1'-(Oxydi-2, 1-ethanediyl) dioctadecanoate, 203-663-6
Surfactant
Ingredient Facts
Peg-2 distearate
AKA: Diethylene glycol distearate, 109-30-8, Witconol CAD, OCTADECANOIC ACID, OXYDI-2, 1-ETHANEDIYL ESTER, 617Q4OD69O, 2-[2-(octadecanoyloxy)ethoxy]ethyl octadecanoate, 2-(2-(octadecanoyloxy)ethoxy)ethyl octadecanoate, RefChem:587367, 1, 1'-(Oxydi-2, 1-ethanediyl) dioctadecanoate, 203-663-6
Surfactant · Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Oxydiethane-1,2-diyl distearate
Formula
C40H78O5
Mol. Weight
639.00
CAS #
109-30-8
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.
Emulsifier
Reduces Inflammation
Wound Healing
Fights Bacteria
Mixes Oil & Water
Traditional Use
A synthetic polyethylene glycol ester created in the mid-20th century. Developed as a stable emulsifier to replace traditional animal tallow-based emulsifiers in cosmetics.
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
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR