Used primarily as a preservative and antimicrobial agent in personal care products such as cosmetics, shampoos, lotions, and oral care items like lozenges and mouthwashes. It helps prevent the growth of bacteria, fungi, and other microorganisms, ensuring product safety and longevity. Additionally, it is employed in pharmaceutical formulations as a local antiseptic and to maintain sterility. Its effectiveness in low concentrations makes it a popular choice for enhancing shelf life without compromising product quality.