Some have had really good experiences there, and some have not. It's hard to know who will benefit from going there and who won't. They do have a line of products that you can buy and try at home too.
I did do a forum search for you, so you can take a look at the posts to see if they will be of any help"
/goo.gl/S54uTW If you do decide to go, I want to wish you the best of luck!!