Dimyristyl Ether

AKA: Tetradecyl ether, Ditetradecyl ether, BIS(TETRADECYL) ETHER, COSMACOL ETHER 14

Synthetic

Skin Conditioner

Not Clean

ditetradecyl ether

Formula

C28H58O

Mol. Weight

410.80

CAS #

5412-98-6

Form

Oil

Functions

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

A synthetic ester developed in the 20th century. Used as an emollient and conditioning agent in cosmetic formulations with no traditional medicinal use.

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