Undecylenic acid:This is an FDA-approved ingredient to treat toenail fungus.2It's a fatty acid that prevents fungus from growing and is also helpful for fungal infections on the skin, such as jock itch. Zinc undecylenate:Another FDA-approved ingredient, zinc has antifungal properties that reduce...
Not only does this liquid sprayprovide 24-hour relief, but it alsocontains menthol to help cool down inflamed areasalmost immediately. Plus, it is made with tolnaftate, a powerful anti-fungal thatcures and prevents most types of athlete’s foot. We also appreciate that this maximum-strength sp...