I have been cursed with an oily scalp and very fine, mostly straight but with cowlicks, thick hair. It is so difficult to find a shampoo I can use consistently without it causing build-up or stripping...

I have an oily scalp and fine, but thick, straight-ish hair. This volumizing tonic I purchased because while the bottom half of my hair gets frizzy and out of control, the roots collapse against my he...