Butyl Stearate

Butyl Stearate

AKA “123-95-5, Butyl octadecanoate, N-Butyl stearate, Octadecanoic acid, butyl ester, Kesscoflex BS, Kessco BSC, n-Butyl octadecanoate, Butyl octadecylate, Starfol BS-100”

Emollient

Ingredient Facts

Butyl stearate

AKA: 123-95-5, Butyl octadecanoate, N-Butyl stearate, Octadecanoic acid, Butyl ester, Kesscoflex BS, Kessco BSC, N-Butyl octadecanoate, Butyl octadecylate, Starfol BS-100

Emollient · Emollient · EWG: 1

Plant-Derived

Emollient

Skin Conditioner

Clean

The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.

Effective at 21.5%

Solubility Insoluble in water; soluble in ethanol; very soluble in acetone

Formula

C22H44O2

Mol. Weight

340.60

CAS #

123-95-5

Form

Liquid

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

Synthetic ester developed as a cosmetic emollient and conditioning agent. Created to provide texture improvement and skin compatibility in skincare and color cosmetic formulations.