It won't work soon, or even at all. This Lan Xin has long been exposed. Several teachers lied that you were ill and needed to use their products. To put it bluntly, it is cheap and inferior chemical products. All kinds of black oil chemical reactions pretend to cure diseases, and you sell you hundreds of points. The ending is clear. You have been using it, and he has been cheating until you wake up and they are rich.