Nexxus has progressed one of its top-selling collections, Color Assure, to incorporate learnings from science and nature, and introduce new products – with a new look. Nexxus Color Assure Shampoo has been specially designed to help extend color vibrancy for longer. Formulated with our exclusive PROTEINFUSION blend, this sulfate free shampoo cleanses color treated hair while enhancing its vibrancy. After using Proteomics studies to examine hair damage at the molecular level, Nexxus scientists found that the main cause of color loss and dullness happens the moment hair is colored. Our scientists have developed a one-of-a-kind PROTEINFUSION blend infused with Elastin Protein and Quinoa along with other ingredients to create Color Assure formulas that result in long-lasting color vibrancy for up to 40 washes. Our Color Assure range includes new formats that create an optimal regimen for color care, making it easier for people to help keep their color looking vibrant for longer.