Hyaluron Liss System, is suitable for all hair types, there are 3 steps and 3 products included. Shampoo: To deeply cleanse the hair with alkaline pH 8.0 and will open the effect of the consequent treatments. Smoothing Treatment: Reduces hair volume, deeply hydrates and improves the state of the damaged hair fiber, and prevents hair from frizzing. And finally. Sealing balm: This conditioners with acid PH 3.5, ideal for closing cuticles and providing an intense shine and softness to the hair.