PEG-5 Oleamide
AKA “PEG-3 oleamide, 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-5 oleamide
AKA: PEG-3 oleamide, 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 · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-[2-[(1-oxo-9-octadecenyl)amino]ethyl]-.omega.-hydroxy- (5 mol EO average molar ratio)
Formula
C24H47NO4
Mol. Weight
413.60
CAS #
26027-37-2
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Fights Bacteria
Locks In Moisture
Wound Healing
Mixes Oil & Water
Traditional Use
A modern synthetic derivative of oleic acid (traditionally found in olive oil) combined with polyethylene glycol, developed in the 20th century as an emollient and conditioning agent.
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 Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR