Our wall decontamination spray contains disodium EDTA, cocamidopropyl betaine, palm kernel oil amide DEA. It instantly removes dirt from walls and restores white and shiny surfaces. Its use method is very simple: 1. Shake the liquid in the bottle well before use to ensure that it is even and effective. Adjust the nozzle to the wall tile that needs to be cleaned, about 10 cm away, and gently spray the stained area. 2. Leave for 5 minutes and rinse thoroughly with water. The powerful formula penetrates deep into walls to thoroughly clean stubborn dirt without leaving any water stains or marks after use.