Hi Doctor , i m rohit n i m 18 years old. My problem is that, on my forehead there is something dark blackish area which is very different from other skin area. I have used many home remedies , n i have also consulted a dermotologist n he provided some medicines but its nt working at all . Plz sir i beg u plz give the best medicine , i dont care how much it costs , i jst want 2 cure it b coz its a bit embarrase towards the friends. Plz suggest the best medicine which can cure it less within a month.