Our multi-purpose cleaning powder contains sodium lauryl benzene sulfonate and sodium hypochlorite. It's stain-resistant and easy to clean Environmental-Friendly. Its usage method is very simple:1.Take an appropriate amount of cleansing powder and pour it into water, soak the pot in water for several minutes2. Use a clean rag to gently wipe off the stain3. Rinse off the foam with clean water. And it's easy to operate with long-lasting effects.