Potassium sorbate is a crucial preservative widely employed in the food, beverage, cosmetic, and pharmaceutical industries. Derived from sorbic acid, a naturally occurring compound found in berries, potassium sorbate appears as a white crystalline powder with remarkable water solubility. Its primary functionality lies in inhibiting the growth of molds, yeasts, and fungi, thereby extending the shelf life of a variety of perishable products. As an antimicrobial agent, potassium sorbate is particularly effective in preventing spoilage without significantly altering the taste or aroma of the preserved items. This preservative plays a key role in preserving the quality and ensuring the safety of numerous food and beverage products, as well as cosmetics, personal care items, and pharmaceutical formulations.