Our shoe decontamination foam cleaner contains lauryl polyether-7, cocamidopropyl amine oxide. It can break the chemical bonds of stains, remove the most stubborn stains, and thoroughly clean deep stains. The way to use it is simple: spray an appropriate amount of the product on the soiled area of the shoe. Rub it back and forth with a sponge or brush until the dirt dissolves. Wipe off excess foam and dirt with a towel. And there is no need for complex operation, the stain can be broken down in a few minutes, saving cleaning time.