PEG-3 Oleamide
AKA “26027-37-2, UNII-T8GTI4F10C, UNII-4NB73D88QV, 1R82R14626, UNII-1R82R14626, RefChem:170681, PEG-3 OLEAMIDE [INCI], POE OLEIC AMIDE, (Z)-N-[2-[2-(2-hydroxyethoxy)ethoxy]ethyl]octadec-9-enamide
Surfactant
Ingredient Facts
Peg-3 oleamide
AKA: 26027-37-2, UNII-T8GTI4F10C, UNII-4NB73D88QV, 1R82R14626, UNII-1R82R14626, RefChem:170681, PEG-3 OLEAMIDE [INCI], POE OLEIC AMIDE, (Z)-N-[2-[2-(2-hydroxyethoxy)ethoxy]ethyl]octadec-9-enamide
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-[2-[(1-oxo-9-octadecenyl)amino]ethyl]-.omega.-hydroxy- (3 mol EO average molar ratio)
Formula
C24H47NO4
Mol. Weight
413.60
CAS #
26027-37-2
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic ester combining polyethylene glycol with oleic acid (olive oil-derived). Created as an emulsifier and conditioning agent in modern skincare formulations.
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
Concentration Guide
Dermal absorption: 100%. Source: CIR Safety Assessment (CIR Seq 772).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR