There are many ways to stop the production of DHT; taking vitamin pills or increasing vitamin intake, taking herbal pills, applying certain kinds of oils, changing your diet, or using topical solutions such as shampoo Is important for the production of sebum, Vitamin A is for the prevention of hair and scalp issues such as dandruff, dry hair, flaky scalp, and thick scalp which can all lead to early hair loss. It is important know that in order to keep up with the levels of this vital nutrient are maintained in the body, you also need to understand that smoking can inhibit the absorption of vitamin A. If you are smoker, quit smoking or you might lose hair.