Trilinoleic Acid
AKA “RefChem:899697, DTXSID001021821, Z8VFL6V4FM, LINOLIC ACID TRIMER, LINOLEIC ACID, TRIMER, 7049-66-3, FATTY ACIDS(C18), UNSATURATED, 9, 12-OCTADECADIENOIC ACID (9Z, 12Z)-
Acid
Ingredient Facts
Trilinoleic acid
AKA: RefChem:899697, DTXSID001021821, Z8VFL6V4FM, LINOLIC ACID TRIMER, TRIMER, 7049-66-3, FATTY ACIDS(C18), UNSATURATED, 9, 12-OCTADECADIENOIC ACID (9Z, 12Z)-
Acid · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Plant Oil
Acid
Not Clean
9,12-Octadecadienoic acid (Z,Z)-, trimer
Formula
C54H96O6
Mol. Weight
841.30
CAS #
7049-66-3
Form
Liquid
State
Solid
See origin →
Functions
Refatting
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.
Viscosity Controlling
Locks In Moisture
Traditional Use
A synthetic derivative of linoleic acid (an essential fatty acid) developed for skincare. Created to provide skin barrier support and anti-inflammatory benefits similar to natural plant oils.
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
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Brightening Bubbling Cleanser
Alpyn Beauty
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Alpyn Beauty
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Line-Filling Eye Balm
Alpyn Beauty
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The Radiance Ritual
Alpyn Beauty
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Glow Sculpt™
Saie
 →
Original Liplux® Lip Balm Sunscreen
COOLA
 →
Tinted Liplux® Lip Balm Sunscreen
COOLA
 →
3 Piece Classic Suncare Travel Set
COOLA
 →
Suncare Travel Essentials Set
COOLA
 →
The Body Essentials Mini
Nécessaire
 →
The Lip Balm Duo
Nécessaire
 →
The New Tendency Duo
Nécessaire
 →
The New Tendency Complete Set
Nécessaire
 →
The Body Essentials
Nécessaire
 →
Retinoic Nutrient Face Oil - 4ML – Tata Harper Skincare
Tata Harper Skincare
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Retinoic Nutrient Face Oil
Tata Harper Skincare
 →
Crème Riche & Retinoic Nutrient Face Oil
Tata Harper Skincare
 →
Crème Riche
Tata Harper Skincare
 →
Bio-Shield Face Oil - 4ML – Tata Harper Skincare
Tata Harper Skincare
 →
Crème Riche - 7.5ML
Credo Beauty
 →
Retinoic Nutrient Face Oil - 4ML
Credo Beauty
 →
The Body Essentials
Credo Beauty
 →
The Body Lotion 70 ml | Multi-Peptide | Eucalyptus
Nécessaire
 →
The Body Lotion 70 ml | Multi-Peptide | Santal
Nécessaire
 →
The Body Lotion 70 ml | Multi-Peptide | Olibanum
Nécessaire
 →
The Body Wash 100 ml | Multi-Mineral | Santal
Nécessaire
 →
The Body Wash 100 ml | Multi-Acid | Hinoki
Nécessaire
 →
The Body Lotion 450 ml | Multi-Peptide
Credo Beauty
 →
Dilinoleic Acid/Butanediol Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isomerized Linoleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methoxy PEG-17/Methoxy PEG-11/HDI Isocyanurate Trimer Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-8 Dimethicone/Dimer Dilinoleic Acid Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Trilinoleic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Dietary olive oil intake aggravates psoriatic skin inflammation in mice via Nrf2 activation and polyunsaturated fatty acid imbalance.
Donato-Trancoso A, Correa Atella G, Romana-Souza B
International immunopharmacology, 2022
Dilinoleic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Dilinoleic Acid/Butanediol Copolymer
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
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
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