The Kérastase Discipline Bain Fluidealiste is a sulfate-free shampoo designed to provide fluidity and manageability to unruly hair. This advanced formula gently cleanses while smoothing the hair fiber, imparting a natural, soft touch. It helps to restore hair's uniformity and discipline, making it easier to style and control frizz. Ideal for normal to sensitive hair that has become difficult to manage.