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Oleyl Linoleate
AKA “17673-59-5, EINECS 241-655-4, UNII-IF0Q7A63IV, IF0Q7A63IV, 9Z-octadecenyl 9Z, 12Z-octadecadienoate, LINOLEIC ACID, OLEYL ESTER, WE(18:1(9Z)/18:2(9Z, 12Z)), 9, 12-Octadecadienoic acid (9Z, 12Z)-, (9Z)-9-octadecenyl ester, 9-OCTADECEN-1-OL, LINOLEATE, (Z)-”
Emollient
Ingredient Facts
Oleyl linoleate
AKA: 17673-59-5, EINECS 241-655-4, UNII-IF0Q7A63IV, IF0Q7A63IV, 9Z-octadecenyl 9Z, 12Z-octadecadienoate, LINOLEIC ACID, OLEYL ESTER, WE(18:1(9Z)/18:2(9Z, 12Z)), 9, 12-Octadecadienoic acid (9Z, 12Z)-, (9Z)-9-octadecenyl ester, 9-OCTADECEN-1-OL, (Z)-
Emollient · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Not Clean
9-(Z)-Octadecenyl esters (9Z,12Z)-octadeca-9,12-dienoate
Formula
C36H66O2
Mol. Weight
530.90
CAS #
17673-59-5
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.
Locks In Moisture
Traditional Use
Developed as a synthetic ester combining oleyl alcohol with linoleic acid. Created to provide skin conditioning and emollient properties in modern cosmetic formulations.
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
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Potassium Linoleate (Isomerized) Satisfies the United States Environmental Protection Agency MB-05-16 for Hospital Disinfectant on Hard, Non-porous Su
Changaris DG, Carenbauer AL
Cureus, 2022
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Final Report on the Amended Safety Assessment of Diisopropyl Dimer Dilinoleate, Dicetearyl Dimer Dilinoleate, Diisostearyl Dimer Dilinoleate, Dioctyl Dimer Dilinoleate, Dioctyldodecyl Dimer Dilinoleat
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Final Report on the Safety Assessment of Isopropyl Linoleate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Final Report on the Safety Assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Tocopheryl Succinate, Dioleyl Tocopheryl Methylsilano
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Tentative Report: Safety Assessment of Dimer Dilinoleates as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Aluminum Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ascorbyl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-Behenyl/Phytosteryl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Di-C16-18 Alkyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Di-C20-40 Alkyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dicetearyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Diethylhexyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Diisopropyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Diisostearyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dilinoleic Acid/Butanediol Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimer Dilinoleyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dioctyldodecyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ditridecyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Glyceryl Citrate/Lactate/Linoleate/Oleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Glyceryl Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Glyceryl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Isomerized Linoleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Isopropyl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Isostearyl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Octyldodecyl/PPG-3 Myristyl Ether Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Oleyl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone/Dimer Dilinoleic Acid Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Phytosteryl Isostearyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Phytosteryl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Phytosteryl Linoleate/Linolenate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyglyceryl-10 Decalinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyglyceryl-10 Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyglyceryl-10 Pentalinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Potassium Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Propylene Glycol Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium Laurate/Linoleate/Oleate/Palmitate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sodium Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sorbeth-2/Oleate/Dimer Dilinoleate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Stearyl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Stearyl/PPG-3 Myristyl Ether Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sucrose Polylinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Tocopheryl Linoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Tocopheryl Linoleate/Oleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Triisostearoyl Polyglyceryl-3 Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Trilinoleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis Behenyl/Isostearyl/Phytosteryl Dimer Dilinoleyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Bis-Behenyl/Phytosteryl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Di-C20-40 Alkyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Diisopropyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Diisostearoyl Polyglyceryl 3 Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Diisostearyl Dimer Dilinoleate
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
→
Dimer Dilinoleyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dioctyldodecyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Glyceryl Citrate/Lactate/Linoleate/Oleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Glyceryl Linoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Isomerized Linoleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Isostearyl Linoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Linoleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Phytosteryl Isostearyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Potassium Linoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Sodium Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Sodium Linoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Stearyl/PPG-3 Myristyl Ether Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Tocopheryl Linoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Tocopheryl Linoleate/Oleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Triisostearoyl Polyglyceryl-3 Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Final report on the amended safety assessment of diisopropyl dimer dilinoleate, dicetearyl dimer dilinoleate, diisostearyl dimer dilinoleate, dioctyl
Fiume MZ, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
→
Final report on the amended safety assessment of diisopropyl dimer dilinoleate, dicetearyl dimer dilinoleate, diisostearyl dimer dilinoleate, dioctyl
Fiume MZ, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
→
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
→
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
→
[(Z)-broparestrol].
Rodier PN, Ceolin R, Dubois P, Fournival JL
Acta crystallographica. Section C, Crystal structure communications, 1989
→
Nuclear magnetic resonance of sodium-23 linoleate-water. Basis for an alternative interpretation of sodium-23 spectra within cells.
Shporer M, Civan MM
Biophysical journal, 1972
→
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
→
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Toc
Zondlo Fiume M
International journal of toxicology, 2002
→
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Toc
Zondlo Fiume M
International journal of toxicology, 2002
→
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Toc
Zondlo Fiume M
International journal of toxicology, 2002
→
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Toc
Zondlo Fiume M
International journal of toxicology, 2002
→
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Toc
Zondlo Fiume M
International journal of toxicology, 2002
→
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Toc
Zondlo Fiume M
International journal of toxicology, 2002
→
Final report on the safety assessment of Tocopherol, Tocopheryl Acetate, Tocopheryl Linoleate, Tocopheryl Linoleate/Oleate, Tocopheryl Nicotinate, Toc
Zondlo Fiume M
International journal of toxicology, 2002
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR