Our multi-purpose pot bottom cleaner contains disodium EDTA, sodium bicarbonate and lauryl ether 7. It can be clean, fast and efficient, saving energy. The cleaning effect is remarkable, and it can be cleaned immediately after brushing. Its use method is very simple: 1. Take appropriate amount of this product evenly apply to the burnt stain on the bottom of the pot; 2. Cover the bottom of the pan with plastic wrap and let it sit for about 12 hours. 3. After the burnt stain is completely dissolved, remove the plastic wrap, wipe it back and forth with a sandpaper sponge, and then rinse it off with water. No strong pungent smell, comfortable to use. Protect the environment, mild ingredients. Extend the life of kitchen utensils and maintain their new look. Can be used in home and business environments.