Treat unruly, curly hair to the Discipline Curl Idéal Masque from Kérastase. Synergising Pro-Keratin and Hydrolysed Elastin, the powerful treatment works to strengthen fibre and increase suppleness, whilst a Cationic Derivative fights frizz and controls volume at the root to reveal smooth, soft curls. Expect calm, luscious locks with increased manageability.