David Mallett Conditioner No.1: L'HYDRATATION provides it with an extra moisture kick. Its highly effective care formula has a creamy consistency. It penetrates the hair cuticle and locks in moisture, strengthening the hair structure from inside whilst preventing residue build-up and facilitating styling. Conditioner No.1: L'HYDRATATION is fragrance-free and is therefore suitable for even the most sensitive or allergic scalps. The main active ingredient in Conditioner No.1: L'HYDRATATION is Keravis, a plant protein complex with a chemical composition that enables penetration right into the hair cortex. It strengthens from inside, smoothing the follicle. Hair is left silky-soft with an incredible shine.