One company that claims its formula really works is Revivogen. Does it really work? Maybe yes, maybe no! But with a 90-day money back guarantee, it’s worth trying before moving on to more drastic measures (like Propecia or Avodart). If you’re not ready to take strong pills, then maybe trying out hair loss shampoos is a good step. As you can see on the pictures below, it does work for some people!