PEG-5 Oleamide
AKA “PEG-3 oleamide, UNII-T8GTI4F10C, UNII-4NB73D88QV, UNII-1R82R14626, RefChem:170681, PEG-3 OLEAMIDE [INCI], POE OLEIC AMIDE, (Z)-N-[2-[2-(2-hydroxyethoxy)ethoxy]ethyl]octadec-9-enamide”
Synthetic
Ingredient Facts
Peg-5 oleamide
AKA: PEG-3 oleamide, UNII-T8GTI4F10C, UNII-4NB73D88QV, UNII-1R82R14626, RefChem:170681, PEG-3 OLEAMIDE [INCI], POE OLEIC AMIDE, (Z)-N-[2-[2-(2-hydroxyethoxy)ethoxy]ethyl]octadec-9-enamide
Synthetic · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Synthetic
Clean
A gentle emulsifier that helps blend oil and water-based ingredients together, creating smooth, lightweight textures that absorb easily into skin.
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.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
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 Feb 2026
Data: PubChem · CosIng · EWG · CIR