Hair loss can be distressing ... These medications are, however, not FDA approved for MPB. Ketoconazole, (Nizoral) shampoo, is also known to inhibit 5AR, the enzyme which converts testosterone ...
Wet hair. Lather, rinse, repeat. Use once every 3–4 days for up to 8 weeks, then as needed. Reevaluate if no improvement in 2–4 weeks. Changes in hair texture, scalp pustules, dry or oily ...