TEA-Myristate
AKA “Triethanolamine myristate, 41669-40-3, Caswell No. 887C, Myristic acid, triethanolamine salt, EINECS 255-486-9, EPA Pesticide Chemical Code 079044, UNII-68B0CQC306, 68B0CQC306, AEC TEA-MYRISTATE
Surfactant
Ingredient Facts
TEA-Myristate
AKA: Triethanolamine myristate, 41669-40-3, Caswell No. 887C, Myristic acid, Triethanolamine salt, EINECS 255-486-9, EPA Pesticide Chemical Code 079044, UNII-68B0CQC306, 68B0CQC306, AEC TEA-MYRISTATE
Surfactant · Cleansing · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
tris(2-Hydroxyethyl)ammonium myristate
Effective at 20.0%
Formula
C20H43NO5
Mol. Weight
377.60
CAS #
41669-40-3
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.
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.
Removes Impurities
Cleansing Surfactant
Emulsifier
Mixes Oil & Water
Traditional Use
A synthetic surfactant and emulsifier developed in the 20th century by combining triethanolamine with myristic acid (derived from palm and coconut oils). Used in cosmetics for cleansing and emulsifying properties.
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
0.0009%
40.0%
0%56%
Effective Range
CIR reported use: 3-14 | 0.0009-40
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Myristic acid reduces skin inflammation and nociception.
Alonso-Castro AJ, Serrano-Vega R, Pérez Gutiérrez S, Isiordia-Espinoza MA, Solorio-Alvarado CR
Journal of food biochemistry, 2022
Final Report of the Amended Safety Assessment of Myristic Acid and its Salts and Esters as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Oleic Acid, Lauric Acid, Palmitic Acid, Myristic Acid, and Stearic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Methyl Myristic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Myristic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
TEA-Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Myristic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
TEA-Myristate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR