Trilaurin

AKA: 538-24-9, Glyceryl tridodecanoate, Glyceryl trilaurate, Tridodecanoin, Glycerin trilaurate, Trilauroylglycerol, Lauric acid triglyceride, Lauric acid triglycerin ester, Tridodecanoyl glycerol
Synthetic
Skin Conditioner
Clean
OriginProduced from lauric acid, a saturated fatty acid derived from coconut or palm kernel oils. Synthesized through esterification of glycerol with lauric acid under heat and catalytic conditions.
Trilaurin is a triglyceride obtained by formal acylation of the three hydroxy groups of glycerol by lauric (dodecanoic) acid. It is a triglyceride and a dodecanoate ester.
Formula
C39H74O6
Mol. Weight
639.00
CAS #
538-24-9
Form
Powder
State
Solid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks in moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 742)
Eye Irritant in Testing
1 study / 1 irritating / reactions mild (CIR 316)
Mixed Skin Irritation Results
3 studies / 1 irritating / 2 not irritating / reactions mild (CIR 316)
Concentration Guide
Leave-on0.00005–46.3%
Rinse-offNot reported
0%50%100%
CIR reported use · 2017 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR