HASK Biotin Boost Thickening Shampoo - 355mL, Colour Safe

Transform fine, flat strands into fuller, thicker-looking hair with HASK Biotin Boost Thickening Shampoo. This 355mL bottle combines biotin, collagen and coffee in a tri-level thickening complex designed to volumise, strengthen and fortify all hair types. The formula is free from sulfates, parabens, phthalates, gluten, drying alcohol and artificial colours, making it ideal for colour-treated hair. Infused with an invigorating herbaceous scent, this cruelty-free shampoo delivers visible thickening results without harsh chemicals. Whether your hair lacks volume or needs strengthening, the Biotin Boost formula works to create the fuller appearance you want whilst maintaining colour vibrancy and hair health.