PEG-2 Diisononanoate
AKA “Diethylene glycol dipelargonate, Diethylene glycol dinonanoate, Nonanoic acid, oxydi-2, 1-ethanediyl ester, Oxydiethylene dinonanoate, L0M9V67KIQ, PLASTOLEIN 9055, DTXSID4059330, 1, 1'-(oxydi-2, 1-ethanediyl) ester, PELARGONIC ACID DIETHYLENE GLYCOL ESTER
Surfactant
Ingredient Facts
Peg-2 diisononanoate
AKA: Diethylene glycol dipelargonate, Diethylene glycol dinonanoate, Nonanoic acid, Oxydi-2, 1-ethanediyl ester, Oxydiethylene dinonanoate, L0M9V67KIQ, PLASTOLEIN 9055, DTXSID4059330, 1, 1'-(oxydi-2, 1-ethanediyl) ester, PELARGONIC ACID DIETHYLENE GLYCOL ESTER
Surfactant · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxoisononyl)-.omega.-[(1-oxoisononyl)oxy]- (2 mol EO average molar ratio)
Formula
C22H42O5
Mol. Weight
386.60
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 developed in the latter half of the 20th century. Created as a lightweight emollient and skin conditioning agent with improved stability over traditional plant oils.
Skin Types
all-skin-types
Best For
Dryness
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