Shampoos for treating hair loss: Pros, cons, and do they work? Dihydrotestosterone, or DHT, is an androgen hormone produced by testosterone. High levels of DHT can cause hair loss problems ...
Prescription DHT shampoos like ketoconazole reduce DHT production by targeting the hormone cycle locally at new hair growth follicles. Over-the-counter DHT shampoos aim to lower DHT levels ...