Nexxus Keraphix Shampoo for Damaged Hair is a salon-quality formula designed to visibly heal signs of severe hair damage from the first use. This silicone-free shampoo is the crucial first step in the Keraphix system, gently cleansing the hair to prepare it for deep conditioning. It features an exclusive PROTEINFUSION blend, combining Keratin Protein with Black Rice, an ingredient rich in Glutamic Acid, which is a key amino acid lost when hair is damaged. This potent combination penetrates the hair fiber to help repair from within, restoring strength, smoothness, and resilience to rough, brittle hair. It is clinically proven to deliver internal repair, leaving hair looking and feeling healthy and strong.