Because high levels of androgen hormones can cause hair loss, prescription DHT shampoos like ketoconazole are "anti-androgenetic." They prevent the formation of the androgenetic hormone DHT ...

Because high levels of androgen hormones can cause hair loss, prescription DHT shampoos like ketoconazole are "anti-androgenetic." They prevent the formation of the androgenetic hormone DHT, as well ...

and the color-safe shampoo I use to preserve my ruby-red look. After so many experiments, I know how to nurse my hair back from brittle and split to shiny and plump. And while I’ve written ...