FinasterideDidn't watch the vid but truth be told, balding men have a lot of options now.
Rogaine. Finasteride.
Toppik. Caboki.
Hair transplants.
It's not really a death sentence for your hairline anymore and there are ways to stave off the inevitable if you're desperate enough.

My grandfather takes it for other issues but he's also 70 with a full head of hair


