Sodium Lactate 80%Sodium lactate is the sodium salt of lactic acid, or milk acid. The salts of lactic acid naturally occur in muscle tissue, and sodium lactate is a component of the stratum coreum layer of the skin (Wiki). Sodium lactate is commonly used in cosmetics as a preservative, exfoliant, and humectant. Sodium Lactate, 80% concentration in water, and is the sodium salt of natural L(+) Lactic Acid, produced through the fermentation of sugar, an alpha hydroxy