Our Shoes Whitening Cleansing Gel contains a variety of complex active agents, whitening enzymes. It can remove the yellowing of various white shoes, such as shell shoes, canvas shoes, sports shoes, air force shoes, etc. Its use is simple: Shake the bottle fully to make the liquid in the bottle fully mixed. Before operation, tape the surrounding white area to avoid misuse. Aim the brush head at the cleaning area, press the product, brush the brush head in one direction, and operate patiently on larger stains. Done, wait for natural drying. Quickly remove yellowing on the edge of the shoe through chemical reaction to remove dirt and restore the original color.