The L'Oréal Professionnel Liss Unlimited Shampoo provides nourishment and Pro-Keratin for smoothing and controlling rebellious hair. For glossy, frizz-free hair for up to 4 days*.Enriched with Pro-Keratin and Kukui & Evening Primrose Oil, the Liss Unlimited shampoo purifies the hair, keeping it under control and feeling incredible to touch.  Pro-Keratin improves and maintains hydration of the hair, strengthens its structure and leaves it soft and shiny. Kukui nut oil provides a reinforced protection against humidity - acting as a humidity blocker. From Asia, the Kukui nut is pressed from the seeds of the Aleurites Moluccana Tree, which oil contains Omega-6 and Omega-3, two essential fatty acids which cannot be produced by the human body. Kukui nut oil therefor provides a reinforced protection against humidity - acting as a humidity blocker. Optimum and long-lasting results with continued use of the full Liss Unlimited routine to smooth your hair.