Isocetyl Myristate
AKA “ICM-R, Nikkol ICM-R, Myristic acid, isocetyl ester, UNII-69AX3BRR5N, Tetradecanoic acid
Synthetic
Ingredient Facts
Isocetyl myristate
AKA: ICM-R, Nikkol ICM-R, Myristic acid, Isocetyl ester, UNII-69AX3BRR5N, Tetradecanoic acid
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight emollient that softens and smooths skin while helping products glide on effortlessly. Leaves skin feeling conditioned without heaviness.
Formula
C30H60O2
Mol. Weight
452.80
CAS #
83708-66-1
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Modern synthetic ester created to function as an emollient and solvent in cosmetic formulations, designed to improve texture and absorption properties without traditional medicinal or cosmetic applications.
Skin Types
all-skin-types
Best For
Dryness
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
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
Isocetyl 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)
Isocetyl Myristate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Myristic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR