Suggest Treatment For Oily Scalp And Dandruff

Hi my name is chandoo and age 28, I have got an oily head it becomes so oily that my face also becomes oily because of the head. with that oil i am getting dandruff. I am using selsun (selenium sulfide) shampoo for dandruf. but I need to do head bath every 10 hrs because of my oily head. please suggest me a solution.