Our wall mildew remover contains deionized water, calcium hypochlorite and lemon extract. It can gently remove the black mold spot on the wallpaper, wall and tile, restore the original color of the wall, make the home environment cleaner, remove the black mold, and form a protective film to prevent mold regeneration; Suitable for cleaning indoor walls, gaps around bathrooms, tile gaps and other areas. Its use is simple: clean and dry the wall; Press 1-2 pumps of this product and spray on moldy parts; Wait about 30 minutes for it to dissolve. Professional mold remover, no irritating odor, compared with traditional mold remover, more practical; Safe and environmentally friendly formula, no corrosion, no damage to the wall, to help restore the original clean and white wall.