Isopropyl Oleate
AKA “1-methylethyl ester, Oleic acid, isopropyl ester, EINECS 203-935-4, NSC 50952, NSC-50952, AEC ISOPROPYL OLEATE”
Synthetic
Ingredient Facts
Isopropyl oleate
AKA: 1-methylethyl ester, Oleic acid, Isopropyl ester, EINECS 203-935-4, NSC 50952, NSC-50952, AEC ISOPROPYL OLEATE
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight conditioning ingredient that helps skin feel soft and smooth while improving product texture and spreadability.
Formula
C21H40O2
Mol. Weight
324.50
CAS #
112-11-8
Form
Liquid
State
Liquid
See origin →
Functions
Binding
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
Synthetic ester created as a skin conditioning agent and penetration enhancer in cosmetic formulations. Oleic acid, from olive oil, has been used in Mediterranean skincare and medicine since ancient times.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
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
Final Report on the Safety Assessment of Ricinus Communis (Castor) Seed Oil, Hydrogenated Castor Oil, Glyceryl Ricinoleate, Glyceryl Ricinoleate SE, Ricinoleic Acid, Potassium Ricinoleate, Sodium Rici
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Linoleic Acid Induced Changes in SZ95 Sebocytes-Compariso...
Dóra Kovács, Emanuela Camera, Szilárd Póliska, Alessia Cavallo, Miriam Maiellaro, Katalin Dull + 4 more
Nutrients, 2023
Resolved Psoriasis with Abundant Oleic Acid in Stratum Co...
Yasmin El Mahi, Alexis Varin, Mathieu Vetter, Ludivine Dal Zuffo, Loïc Mazzeo, Jean-Paul Pais De Barros + 3 more
The Journal of investigative dermatology, 2023
Resolved Psoriasis with Abundant Oleic Acid in Stratum Co...
Yasmin El Mahi, Alexis Varin, Mathieu Vetter, Ludivine Dal Zuffo, Loïc Mazzeo, Jean-Paul Pais De Barros + 3 more
The Journal of investigative dermatology, 2023
The Role of Linoleic Acid in Skin and Hair Health: A Review.
Xi Wang, Yan Jia, Huaming He
International journal of molecular sciences, 2024
The Role of Linoleic Acid in Skin and Hair Health: A Review.
Xi Wang, Yan Jia, Huaming He
International journal of molecular sciences, 2024
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR