Our pipe cleaning powder contains cocamidopropyl betaine, disodium EDTA and sodium bicarbonate. It can clear the blockage effect is good, this product can dredge the pipe, remove the most stubborn drainage pipe blockage. Can effectively clean the sewer, quickly dissolve hair, grease and other difficult to remove sewer substances. Its use method is very simple: 1. If the sink is clogged, drain the accumulated water first, and then pour cleaning powder into the pipe. 2. Wait 15 minutes for the dirt to dissolve. Then rinse with water. Pipe dredging cleaning powder can make the smell of the drain disappear, keep the inner wall of the pipe fresh and fragrant.