To tell you the truth, it's useless. I used it. It itches after sticking the navel, and it is easy to stick marks every day. I put it up in winter, and it hasn't disappeared yet. It's very hot now, and it's easier to sweat and get inflamed. But if you don't mind, I can recommend konjac series slimming products, not advertisements. Konjac juice and preserved fruit are very effective, so you don't need to control your appetite. The key is whether you dare to use it. I'm not asking.