Our shoe edge yellow cleaner contains complex active agents, whitening enzymes. It can foam decontamination, rich foam penetration, deep dissolution of stains, add active decontamination ingredients, fast stain removal, fast whitening. Its use method is very simple: 1. Before operation, please tape the surrounding white area well to avoid misuse. 2. Apply appropriate amount of this product to the stain on the shoe, and then evenly apply it with a brush. 3. Wait 3-5 minutes. Wipe it off with a towel. 4. It's done. Remove yellow cleaner on the side of your shoes to quickly whiten oxidized and discolored areas, making your shoes look new every day.