Our oxalic acid cleaner contains oxalic acid and cocamidopropyl betaine. It can be used frequently on a daily basis, ensuring safety. Sulfuric acid urea sodium accelerates the dissolution of dirt and improves cleaning efficiency. Its usage method is very simple: spray the mist evenly at a distance of 15 to 20cm centimeters from the stained surface. 5 to 30 minutes for the detergent to fully work. Gently wipe the stain with a brush or cloth, then rinse with clean water. And it can quickly remove even stubborn stains. Save time and effort with a simple and efficient cleaning process. Long-lasting cleaning effect reduces the hassle of repeated cleaning.