Decyl Myristate
AKA “Decyl tetradecanoate, Tetradecanoic acid, decyl ester, UNII-K1Y2H05IVK, Myristic acid, EINECS 255-589-9, RefChem:131373”
Synthetic
Ingredient Facts
Decyl myristate
AKA: Decyl tetradecanoate, Tetradecanoic acid, Decyl ester, UNII-K1Y2H05IVK, Myristic acid, EINECS 255-589-9, RefChem:131373
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
A lightweight emollient that softens and smooths skin, helping it feel supple and hydrated without heaviness.
Formula
C24H48O2
Mol. Weight
368.60
CAS #
41927-71-3
Form
Liquid
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Occlusive
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Locks In Moisture
Traditional Use
Synthesized as an ester of decyl alcohol and myristic acid in modern cosmetic chemistry. Developed to provide emollient and spreading properties in skincare products.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
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
Coconut Oil Decyl Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
Decyl Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isodecyl Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isotridecyl Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methyl Myristic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Myristic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Octyldodecyl Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Olive Oil Decyl Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
Tetradecyloctadecyl Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Tridecyl Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Decyl Myristate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Myristic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Octyldodecyl Myristate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Olive Oil Decyl Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR