Find your perfect hair match with OGX, now with NEW upgraded pH balanced formulas for salon-quality, gentle cleansing that will help give you stronger hair with more shine, less frizz, and long-lasting smoothness. OGX Thick & Full Biotin & Collagen is a volumizing blend, helping to thicken and texturize fine hair. Help infuse nutrients into every strand and create the appearance of thicker, fuller hair with added volume. Nutrient-rich volumizing shampoo Helps create the appearance of thicker hair Leaves hair looking full & voluptuous With Biotin, Collagen, and Wheat Proteins Sulfate-free surfactant hair care system How to use Apply generously to wet hair, massage into a lather through to ends, then rinse the hair thoroughly. After shampooing, follow with Thick & Full Biotin & Collagen Conditioner for best results.