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Oleic
AKA “mosedipimodum, RefChem:819537, acetylated diacylglycerol PLAG, PLAG, (+-), 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG), 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol, acetylated diglyceride, 1-Palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol, 221139-79-3, 88928BS57E, Ec-18”
Emollient
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Ingredient Facts
Oleic
AKA: Mosedipimodum, RefChem:819537, Acetylated diacylglycerol PLAG, PLAG, (+-), 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG), 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol, Acetylated diglyceride, 1-Palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol, 221139-79-3, 88928BS57E, Ec-18
Emollient · Emollient · EWG: 1
Synthetic
Humectant
Emollient
Skin Conditioner
Clean
9,12-Octadecadienoic acid (9Z,12Z)-, 1-[(acetyloxy)methyl]-2-[(1-oxohexadecyl)oxy]ethyl ester
Formula
C39H70O6
Mol. Weight
635.00
CAS #
221139-79-3
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
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
A monounsaturated omega-9 fatty acid naturally present in many oils used since ancient times (olive, avocado, argan). Its identification as a distinct compound occurred in the 19th century; widespread use in modern skincare formulation began in the mid-20th century.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
ewg-1
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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
→
Acetic/Linoleic/Palmitic Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Capric/Lauric/Myristic/Oleic Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Caprylic/Capric/Linoleic Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dilinoleic Acid/Butanediol Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Docosahexenoic/Docosapentenoic/Oleic/Palmitic Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydroxystearic/Linolenic/Linoleic Polyglycerides
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydroxystearic/Linolenic/Oleic Polyglycerides
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Isomerized Linoleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Lauric/Palmitic/Oleic Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Oleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Oleic/Linoleic Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Oleic/Linoleic/Linolenic Polyglycerides
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Oleic/Palmitic/Lauric/Myristic/Linoleic Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone/Dimer Dilinoleic Acid Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ricinoleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ricinoleic/Caproic/Caprylic/Capric Triglyceride
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Trilinoleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Caprylic/Capric/Linoleic Triglyceride
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dilinoleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dilinoleic Acid/Butanediol Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hydroxystearic/Linolenic/Linoleic Polyglycerides
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hydroxystearic/Linolenic/Oleic Polyglycerides
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Isomerized Linoleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Linoleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Oleic
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Oleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Oleic/Linoleic/Linolenic Polyglycerides
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Ricinoleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Efficacy of an emollient containing diethylene glycol/dilinoleic acid copolymer for the treatment of dry skin and pruritus in patients with senile xer
Izumi R, Negi O, Suzuki T, Tominaga M, Kamo A et al.
Journal of cosmetic dermatology, 2017
→
Time-Dependent Differences in the Effects of Oleic Acid and Oleyl Alcohol on the Human Skin Barrier.
Kováčik A, Kopečná M, Hrdinová I, Opálka L, Boncheva Bettex M et al.
Molecular pharmaceutics, 2023
→
Linoleic Acid Induced Changes in SZ95 Sebocytes-Compariso...
Dóra Kovács, Emanuela Camera, Szilárd Póliska, Alessia Cavallo, Miriam Maiellaro, Katalin Dull + 4 more
Nutrients, 2023
→
Effect of a combination of medium chain triglycerides, linoleic acid, soy lecithin and vitamins A and E on wound healing in rats.
Magalhães MS, Fechine FV, Macedo RN, Monteiro DL, Oliveira CC et al.
Acta cirurgica brasileira, 2008
→
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
→
Differentiation of Malassezia species: selectivity of cremophor EL, castor oil and ricinoleic acid for M. furfur.
Mayser P, Haze P, Papavassilis C, Pickel M, Gruender K et al.
The British journal of dermatology, 1997
→
Differentiation of Malassezia species: selectivity of cremophor EL, castor oil and ricinoleic acid for M. furfur.
Mayser P, Haze P, Papavassilis C, Pickel M, Gruender K et al.
The British journal of dermatology, 1997
→
Differentiation of Malassezia species: selectivity of cremophor EL, castor oil and ricinoleic acid for M. furfur.
Mayser P, Haze P, Papavassilis C, Pickel M, Gruender K et al.
The British journal of dermatology, 1997
→
Fatty acid composition and productive traits of broiler fed diets containing conjugated linoleic acid.
Sirri F, Tallarico N, Meluzzi A, Franchini A
Poultry science, 2003
→
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 Jun 2026
Data: PubChem · CosIng · EWG · CIR