FREE Kerastase Resistance Ciment Thermique 50ml with the purchase of this product. KÉrastase OlÉo-Relax Slim volume control intense smoothing cream for thick, dry, rebellious hair. CERA-TRIOLEUM: A unique trio of oils (apricot, camelina, pracaxi) 'slim' down the hair fibre for strength & control. It forms a hydraphobic barrier preventing the fibre from swelling & regaining excessive volume. KÉrastase Nutritive Gluco-Active: The first Gluco-Active haircare programme to boost nutrition from root to tip. Personalised dosages of glucose, lipids & proteins, for dry, sensitised hair. Hair is replenished with softness & left light & supple with an incredible shine.