Ditridecyl Dimer Dilinoleate

AKA: Emollient, Conditioning agent

Synthetic

Emollient

Skin Conditioner

Not Clean

9,12-(Z,Z)-Octadecadienoic acid dimer, tridecyl diester

CAS #

129423-60-5

Form

Liquid

Functions

Moisturising

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.

Smoothing

Locks In Moisture

Traditional Use

A modern synthetic emollient combining linoleic acid derivatives, developed for advanced skincare formulations. Created to mimic the skin-conditioning properties of natural plant oils while providing stability.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

medical-approval

all-shades-safe

Phototoxicity Concern

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: CosIng · EWG · CIR