TEA-PEG-3 Cocamide Sulfate
AKA “Triethanolamine PEG-3 Cocamide Sulfate”
Surfactant
Ingredient Facts
Tea-peg-3 cocamide sulfate
AKA: Triethanolamine PEG-3 Cocamide Sulfate
Surfactant · Cleansing · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Ethanol, 2,2',2''-nitrilotris-, compds. with polyethylene glycol hydrogen sulfate 2-(coco acylamino)ethyl ether
CAS #
73246-94-3
Form
Powder
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.
Foaming
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.
Hydrotrope
Removes Impurities
Creates Lather
Cleansing Surfactant
Emulsifier
Traditional Use
A synthetic surfactant developed combining triethanolamine, polyethylene glycol, and sulfated coconut oil derivatives. Created as a mild cleansing agent for modern personal care formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Contact allergy related to TEA-PEG-3 cocamide sulfate and cocamidopropyl betaine in a shampoo.
Andersen KE, Roed-Petersen J, Kamp P
Contact dermatitis, 1984
Contact allergy related to TEA-PEG-3 cocamide sulfate and cocamidopropyl betaine in a shampoo.
Andersen KE, Roed-Petersen J, Kamp P
Contact dermatitis, 1984
TEA-PEG-3 Cocamide Sulfate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Verified Jun 2026
Data: CosIng · EWG · CIR