Our foam cleaners contain sodium hydroxide and disodium EDTA. It can remove deep stains, quickly dissolve, penetrate, decompose stubborn stains, gently clean and remove stains without damaging the fabric. Its use method is very simple: take an appropriate amount of detergent gently squeeze on the stain; Brush in the same direction with a soft brush; Dry with towel and wash; No need to wash, air dry. Foam cleaning can achieve waterless cleaning and dry cleaning without removal, suitable for cleaning sofas, curtains, carpets, toys, car seats, mattresses and other supplies, remove stains.