First off,dying your hair will not affect hair loss! Unless you bleached it so much you burnt it off at the roots. Propecia may stop you from loosing some hair but it's not that effective on the hailrine. It may also klll your boner,drain your wallet,or do nothing at all. So talk to a doctor before you start using any meds. 17 is very young to start losing your hair. Unfortunately most ht doctors will not consider you ready for a transplant. They will say to wait. I understand how stressed out and depressed this shit can make you. I started thinning at 22. Read all the info on this and other ht sites and i'm sure some guys here will give you some decent advice...