Did not work for me. I was told new hair was growing; the problem was that I did not have any proof even with before and after pictures, so I am not sure why I was encouraged to continue with the second part of the program .Shampoo can make your hair appear fuller, that said I was left disillusioned with what I was being told. If they were serious in their guarantee, they would allow a full refund from the start of process. I don’t understand any positive review.