Hey i'm a newbie on here, just stumble acroos the site when i was looking up polyfem, all the info is great on here earning heaps, my hair has been slowly thining, i'm 23 its not that bad yet just looking for somthing preventitive all the info on Nioxin sounds good, for more preventitive is tghis somthing you could use say once a week in conjunctiln with other shampoo and conditioner or should it not how often should it be used?? cheers |