Triundecanoin

AKA: 13552-80-2, Glyceryl triundecanoate, Trihendecanoin, N-Trihendecanoin, Undecanoic acid, 1, 2, 3-propanetriyl ester, DUB TUAG, DERMOL M-27
Synthetic
Skin Conditioner
Hair Care
Not Clean
OriginTriundecanoin is a synthetic ester derived from glycerol and undecanoic acid (an 11-carbon fatty acid). It is synthesized through esterification, chemically bonding glycerol with three undecanoic acid molecules.
Propane-1,2,3-triyl triundecanoate
Formula
C36H68O6
Mol. Weight
596.90
CAS #
13552-80-2
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-onNot reported
Rinse-off1.5%
0%50%100%
CIR reported use · 2015 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR