I've been having problems with itchy red scalp i'm about to use my nioxin combo to retaract the problem, but i'm not sure how long your suppose to leave the scalp therapy conditioner on for, does anyone know?
Thanks in advance
I used toleave it on for a few minutes as well. You get the tingly feeling after you apply the scalp therapy but I would advise you check it out first because if your scalp is itchy and red, Nioxin might aggravate what you alredy have. HTH