I recently named this shampoo my favorite overall for the most hair types. It doesn’t take the top spot here, as Kérastase’s formula is specifically designed for color-treated hair.

This is the first time Perry has developed product, playing a core part in the testing and refinement process.

Enter: chocolate ganache hair color, a luxuriously rich, dark, and glossy hue that looks glamorous, expensive, and (most importantly) gorgeous. “We're moving toward more natural-looking, luminous ...