Distearyl Ether
AKA “Dioctadecyl ether, Octadecyl ether, Octadecane, COSMACOL SE, NSC-17520, EINECS 228-567-1, NSC 17520”
Synthetic
Ingredient Facts
Distearyl ether
AKA: Dioctadecyl ether, Octadecyl ether, Octadecane, COSMACOL SE, NSC-17520, EINECS 228-567-1, NSC 17520
Synthetic · Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Synthetic
Clean
A natural conditioning agent derived from plant sources that helps soften and smooth skin, enhancing its overall texture and feel.
Formula
C36H74O
Mol. Weight
523.00
CAS #
6297-03-6
Form
Wax
See origin →
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.
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 compound created in the 20th century as an emollient and texture-enhancing agent. Designed to provide silky skin feel in creams and lotions, without historical precedent.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
2-Oleamido-1,3-Octadecanediol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Distearyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-4 Distearyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Oleamido-1,3-Octadecanediol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Distearyl Ether
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-4 Distearyl Ether
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR