Give fine, flat strands the boost they crave. HASK Biotin Boost Thickening Shampoo with Biotin, Collagen, and Coffee helps promote thicker-looking hair. Formulated with Tri-level Thickening Complex to Volumize, Strengthen, and Fortify. Infused with biotin for volume, collagen for strength, and coffee to help boost strands. Before conditioning with HASK Biotin Boost Thickening Conditioner, apply HASK Biotin Boost Thickening Shampoo to wet hair, massage into a lather and rinse thoroughly. Our shampoo gently cleanses and helps transform fine, flat hair into fuller hair. Our formula is free of sulfates, parabens, phthalates, gluten, drying alcohol, and artificial colors. Cruelty-free, Leaping Bunny certified. Achieving thicker-looking hair just got a whole lot easier Complete your routine with the rest of the HASK Biotin Boost Thickening collection.

• Best for fine hair
• Cleanses & thickens
• Biotin helps strengthen, volumize and thicken strands to maintain hair health
• Collagen is known to repair and reverse split ends as well as deliver long-lasting volume
• When applied topically, Caffeine penetrates the roots and stimulates them while adding a natural sheen
• Provides thicker, fuller-looking hair
• Gives noticeable lift without weighing hair down
• Tri-Level Thickening Complex to volumize, strengthen and fortify

• Formulated without sulfates, parabens, phthalates, gluten, drying alcohol and artificial colors
• Crueltyfree, Leaping Bunny certified
• Biotin helps strengthen, volumize and thicken to maintain hair health
• Caffeine penetrates roots and helps stimulates roots
• Collagen ihelps repair and reverse split ends
• HASK Clean Beauty Strict standards for us, only the best formulas for you.