Undecylenic Acid Sodium Salt is widely used in the pharmaceutical and personal care industries due to its antifungal and antimicrobial properties. It is a key ingredient in topical treatments for fungal infections such as athlete's foot and ringworm, effectively inhibiting the growth of fungi and providing relief from symptoms. In cosmetics, it is incorporated into formulations like creams, lotions, and soaps to prevent microbial contamination and maintain product safety. Additionally, it is utilized in the production of disinfectants and sanitizers, where its ability to combat bacteria and fungi enhances hygiene and cleanliness. Its mild nature makes it suitable for use in products designed for sensitive skin, ensuring both efficacy and safety.