Tetradecyloctadecyl Myristate
AKA “UNII-V9J4582B0H, Myristic acid, tetradecyloctadecyl ester, V9J4582B0H, Tetradecyloctadecyl myristate [INCI], Tetradecanoic acid, 2-tetradecyloctadecyl ester, 231627-81-9, RefChem:188541, (+-)-TETRADECYLOCTADECYL MYRISTATE, TETRADECYLOCTADECYL MYRISTATE, (+-)-
Skin Conditioning
Ingredient Facts
Tetradecyloctadecyl myristate
AKA: UNII-V9J4582B0H, Myristic acid, Tetradecyloctadecyl ester, V9J4582B0H, Tetradecyloctadecyl myristate [INCI], Tetradecanoic acid, 2-tetradecyloctadecyl ester, 231627-81-9, RefChem:188541, (+-)-TETRADECYLOCTADECYL MYRISTATE, (+-)-
Skin Conditioning · Emulsion Stabilising · EWG: 4
Synthetic
Occlusive
Emulsifier
Skin Conditioner
Not Clean
Myristic acid, tetradecyloctadecyl ester
Formula
C46H92O2
Mol. Weight
677.20
CAS #
231627-81-9
See origin →
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Opacifying
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Synthetic ester developed for cosmetic use as an emollient and skin conditioning ingredient. Created to replicate natural oil benefits with improved stability and cosmetic properties.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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)
Tetradecyloctadecyl Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Myristic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR