These medications are, however, not FDA approved for MPB. Ketoconazole, (Nizoral) shampoo, is also known to inhibit 5AR, the enzyme which converts testosterone to DHT. Preliminary research ...
Ketoconazole shampoo: Medicated shampoos can potentially help with scalp health and other issues that lead to hair thinning. Hair growth vitamins, supplements and more intensive treatments like ...