you can use it 3-4 monts per year, it's enough to get results...the main weapon against baldness is nutrition, lifestyle and oligo-elements.
Check the posts of a guy called Prague on immortalhair:
http://immortalhair.forumandco.com/spa/Prague
Check the posts of a guy called Prague on immortalhair:
http://immortalhair.forumandco.com/spa/Prague