Sodium benzoate is a sodium salt of benzoic acid, a chemical compound used as a preservative in the food and personal care products industry. It is water soluble and has antimicrobial properties that help prevent the growth of microorganisms in products. Sodium benzoate is commonly used in beverages, sauces, confections, oral care products, and hair products. It helps extend the shelf life of foods and products by inhibiting the growth of bacteria, yeasts and molds. Sodium benzoate is considered safe when used according to recommendations and concentrations approved by regulatory authorities.