I Want To Reduce Sebum Production

Hi Dr. Rassman,
I have a increased sebum production in the scalp ( the vertex )The sides and back are normal with no hair loss. I have tried several madicines (topically)to reduce the sebum production in scalp and nothing has worked. Is there a oral medicine that can reduce the sebum production by reducing the size if the oil glands? Will lowering DHT ( by taking DHT inhibitors like Dutasteride ) reduce the sebum production?.I am writing with a lot of hope because no one in India seems to have an answer to this problem.I am sure that there will be some medicine that can reduce the size of the oil glands and reduce sebum.I have heard about Isotretinoin and zileuton, will they work in reducing sebum?
Kindly adivice, I will be extremely greatfull to you.

Good shampoos for oily hair are the best way to manage oily scalp. I am sure that various hormones will reduce sebum, but at what real cost to your health? Do not poison your system with drugs to solve this problem.