Free of: sulfates, parabens, phthalates, gluten, drying alcohol and artificial colours. 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!
Apply the shampoo to your damp hair, massage it in to create foam, and rinse thoroughly.
For external use only. Avoid contact with eyes. Keep away from naked flame or direct heat sources.