HASK Biotin Boost Thickening Shampoo 355 ml

Free of sulphates, parabens, phthalates, gluten, drying alcohol and artificial colours.

Transform fine, flat streaks into fabulously fuller hair.

This shampoo works on three levels to help give you volume: with biotin to help your hair look thicker, collagen to fortify the strands and coffee to help boost the highlights.