What Is The Treatment To Increase The Hair Growth?

Hi, I am 29 years old and still I have very less hair in myHi, I am 29 years old and still I have very less hair in my moustache and beard areas. Although in chin area the hair thickness and the spread has increased a bit, since past three to four years. There is no hair at all over my cheeks. Also, I can't grow a moustache because in the mid of the moustache that is, below to my nose there is no connectivity that is no hair again there. Please advise any medication or treatment as to how can I start atleast now growing good and complete beard and moustache.