Hello, this product is quite good, and there are no side effects. It won't rebound, but just buy the product well, don't buy fakes, and it will have no effect! I have a friend who used it. She bought it in official website. I also went to see it, and it felt good. It was very detailed and had a high reputation. The website is:

If necessary, you can go in and consult, and refer to it more!