Kérastase Nutritive Hydrating Shampoo & Conditioner Duo if the perfect pair for nourishing and hydrating your hair. The hydrating shampoo gently cleanses while providing essential moisture to dry and sensitised hair, leaving it feeling soft and silky. Follow up with the detangling conditioner, which effortlessly detangles and nourishes your hair without weighing it down, leaving it feeling lightweight and revitalised.