good evening doctor...........i have been suffering from severe hair fall for the past 3 years.........i m doing my final year BE.......and i suppose it started falling after i shifted to my college hostel........i have tried many ways to control it ...........bt i still cant find a way to rectify it...........i just wanna know which shampoo should i prefer the most........and does multi vitamin tablet helps hair fall control....... i too wanna ask a query on behalf of my uncle........he has lost almost all his hair.......and wanna know whether hair transplantation is an effective method to regain hair,,,,,,,,,,i wanna know whether HAIR TRANSPLANTATION is a permanent process or a temporary method to regain hair and how much does one hair transplantation method cost....