“This is a good pick overall but especially for those with color-treated or heat-damaged hair,” says Michelle Cleveland, a ...

Blonde or gray hair can be hard to brighten, but the best purple shampoos can help. We tapped experts and users for picks ...

How does purple shampoo make gray hair brighter? The color theory you might have learned in middle-school art class will be useful here. It’s simple: Purple cancels out yellow and orange tones ...

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 ...

High levels of DHT can cause hair loss problems, including androgenetic alopecia, or AGA, and male pattern baldness, SaveHealth reports. Prescription DHT shampoos like ketoconazole reduce DHT ...