It looks like not all of my review went up so I'm just adding in some colour.  I have had what I can only assume is androgenic alopecia for about 20 years (I've never found anyone to properly diagnose it).  I started trying Factor Four in December 2017 and have had 5 sessions (it is now June 2018).  I don't find it particularly painful, though, after each session, chunk of my hair came out at...