Hi , your facing very common problem.. majority of men who experience hair thinning the cause is hereditary – it’s known as male pattern baldness or androgenetic alopecia. Fortunately, for those who still have hair on their heads, there are steps you can take to keep the hair you have. The two FDA-approved drugs for hair growth we commonly use are minoxidil and finasteride. You must be regular with these medication to get better results...plz consult doctor before you start these medication..good luck