When starting to experience hair loss or thinning hair you look into these types of products with alot of optimism because you see all of these 5 star reviews a you ignore the 1 star reviews cause that couldnt possibly happen to you, Well it happened to me. I gave nioxin a heck of a shot, ive used it for over a year now. I used the level 1 and 2 nioxin package. When i started using it i had a recieding hair line but nothing too bad, i was just looking for a product to take care of it, little did i know this gamble would cost me alot of hair and has left me feeling like i cant stop using the product or more hair will fall out. Ive really lost hope about finding a product that works. I have followed every direction the instructions have given and still no results. Im disappointed that this product didnt help because I started as a 18 year old with a little bit of a recieding hair line and now im a 19 year old with noticable hair loss issues. I wish anyone luck who purchases this product because everyone with this problem is looking for a solution and is willing to take the chance of ignoring the bad reviews and stay optimistic that it will work for you.