Nick Chavez' Advanced Volume Shampoo is a thoroughly modern formula designed to gently remove residue and styling product build-up without stripping hair or fading color. Hair and scalp are nourished providing the optimum environment for volumized hair. Formulated with an advanced and innovative ingredient foundation they call Expansion Technology, which features Hyaluronic Acid, a moisturizing ingredient that delivers rejuvenating and nourishing benefits to the hair. Also contains Keratin, Soy Protein, Acai Berry and UV Protectants that help fine, limp and fragile hair become volumized, healthier and more beautiful. Safe to use with hair extensions. pH balanced.