Its volume shampoo is a quarter of the price of the Kerastase shampoo, and it’s also sulfate free (in fact, every other shampoo from here on out is sulfate free, if you know that’s something ...

“Angie knows that I cannot use that shampoo. I have keratin in my hair and it needs a sulfate-free shampoo,” she says, without a drop of irony. Cut to the cast trip in Puerto ...

“Having a few different shampoos in the shower to rotate is an effective way to treat multiple concerns simultaneously.” RELATED: Best sulfate-free shampoos we reviewed But, scrubbing a sudsy ...