Di-C12-15 Alkyl Fumarate

Synthetic

Emollient

Solvent

Skin Conditioner

Clean

Butenedioic acid (E), bis(C12-15-alkyl) esters

CAS #

68910-56-5

Form

Liquid

Functions

Emollient

Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.

Solvent

Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.

Locks In Moisture

Traditional Use

Modern synthetic ester developed for advanced cosmetic chemistry. Combines mixed alkyl chains with fumaric acid to provide conditioning and textural benefits in skincare.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Non-Comedogenic

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

General

Pregnancy & Breastfeeding Safe

Yes

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.

Verified Jun 2026

Data: CosIng · EWG · CIR