Trioleyl Citrate

AKA: Pelemol toc, 175831-77-3, Trioleyl citrate [INCI], 1, 2, 3-Propanetricarboxylic acid, TRI-9-octadeceyl ester, 3-tri-(9Z)-9-octadecen-1-yl ester

Synthetic

Emollient

Skin Conditioner

Chemical Exfoliant

Not Clean

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tri-9-octadecenyl ester (all-Z)-

Formula

C60H110O7

Mol. Weight

943.50

CAS #

175831-77-3

Form

Liquid

Functions

Plasticiser

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.

Locks In Moisture

Traditional Use

A synthetic ester derived from oleic acid (a component of traditional oils) developed for modern cosmetics. Used as a lightweight emollient and solubilizer in skincare and color cosmetics.

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-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR