Stearyl heptanoate, the

ester In chemistry, an ester is a compound derived from an oxoacid (organic or inorganic) in which at least one hydroxyl group () is replaced by an alkoxy group (), as in the substitution reaction of a carboxylic acid and an alcohol. Glycerides a ...

of stearyl alcohol and

heptanoic acid Enanthic acid, also called heptanoic acid, is an organic compound composed of a seven-carbon chain terminating in a carboxylic acid functional group. It is a colorless oily liquid with an unpleasant, rancid odor. It contributes to the odor of so ...

(enanthic acid), is found in most cosmetic eyeliner. It is prepared from stearyl alcohol, which may be derived from sperm whale oil or from vegetable sources. Stearyl heptanoate is added to cosmetics to act as an

emollient A moisturizer, or emollient, is a cosmetic preparation used for protecting, moisturizing, and lubricating the skin. These functions are normally performed by sebum produced by healthy skin. The word "emollient" is derived from the Latin verb ''m ...

References

Enanthate esters {{Ester-stub