The NIOXIN System 6 Shampoo, Conditioner, and Treatment set is specifically designed for chemically treated and thinning hair. It includes a scalp and hair treatment, a cleanser shampoo, and a scalp therapy revitalizing conditioner, all formulated to provide a thickening and revitalizing effect. The color-safe feature ensures that the products will not cause damage to your hair while providing the necessary care for healthy and nourished locks. Perfect for those looking to replenish and strengthen their chemically treated hair, this NIOXIN system is a must-have for achieving a fuller and more thick appearance.