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

Propane-1,2,3-triyl triundecanoate

Formula

C36H68O6

Mol. Weight

596.90

CAS #

13552-80-2

Form

Liquid

State

Solid

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

Traditional Use

Triundecanoin is a synthetic triglyceride developed for use in modern cosmetics as a lightweight emollient and skin-conditioning agent, designed to provide moisturization without a heavy or greasy feel.

EWG

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

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

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.

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR