Enriched with Pro-Keratin and Kukui & Evening Primrose Oil, the Liss Unlimited Shampoo purifies the hair, keeps it under control and leaves it feeling incredible to touch. For a glossy, frizz-free looking hair result for up to 4 days even with a 80% level of humidity. Pro-Keratin improves and maintains hydration of the hair, strengthens its structure and leaves it soft and shiny. Long-lasting straight hair without frizz. Nourished and strengthened fibers. Anti-humidity protection and shine.