Hello :) i really have a problem with mu underarm .. i have a black spot .. it's there many years ago !! i cant remember exactly when i noticed this ! .. but its not an issue of shower or something!!... under my eyes as well ! .. but its not important as my underarm i can put some makeup anyway !! .. but what to do !! .. please help me :) ( i am 18 years old .. 69 kg .. and 155 m )