To keep her thick, highlighted hair frizz-free, Cat swears by the Kérastase Nutritive shampoo for its hydrating and smoothing powers. It may be more expensive than many of the best drugstore ...

If you have the budget, we recommend the Kérastase Nutritive Hydrating Shampoo, which is formulated with plant-based proteins and niacinamide to support longer and stronger hair while also ...

I’m a Kérastase girl and I love its Nutritive Bain Satin Riche shampoo and Nutritive Masquintense ... my hair a bit of movement." I too am a Kerastase girl and I'm a big fan of Cat's favourite.