Trilinoleic Acid

Trilinoleic Acid molecular structure
molecular structure · PubChem
AKA: LINOLIC ACID TRIMER, TRIMER, 7049-66-3, FATTY ACIDS(C18), UNSATURATED
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
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.
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
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
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Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR