hi , i am 19 years old and my underarms are really dark , because of this i am not able to wear sleeveless clothes . according to my BMI i am also over weight , i have heard melacare makes you fair , and many of my friends have tried and become fair too. i dont plan on using on my face but i would like to know whether i can use it on my under arms , kindly help me and tell me how often i can use it ??