Tri-level Thickening Complex Volumize • Strengthen • Fortify Free of: sulfates, parabens, phthalates, gluten, drying alcohol and artificial colors. Transform fine, flat strands into volumized, fuller hair with HASK Biotin Boost Thickening Shampoo. Infused with biotin, collagen and coffee to help promote stronger, thicker-looking hair. Go big or go home!
