Its a natural way to remove corns and callouses in minutes. Urea, Pinapple fruit extract and Papaya fruit extract breaks down hardened skin so you can simply file or buff it away. Its a spray that goes right to the problem with easy application, an effective product that helps fight the embarrassment of fungus on skin which can interfere with pedicures. I am so embarrased going for a pedicure because of the callous under my foot. But with this "baby" - took the problem right away. I am confident now and dont have to worry about my feet.