Plump up the volume in thin hair with the OGX Thick & Full + Biotin & Collagen Hair Volumizing Shampoo. Ideal for flat to medium volume hair, this thickening shampoo leaves hair feeling fuller and helps create more abundant-looking locks. The nutrient-rich, plump-it-up formula, is infused with vitamin B7 biotin, collagen, and wheat protein, and helps maintain growth for hair that's healthy-looking and feels thicker. The luscious blend in this thickening shampoo also contains hydrolyzed wheat proteins for hair that feels thicker and healthy-looking. Plus, the bergamot, jasmine and vanilla scent makes lathering up an all-around sensory experience that leaves locks with an irresistibly good smell. Paraben-free with sulfate-free surfactants, this thick hair shampoo helps turn up the volume on your tresses. For best results, use this shampoo with the entire OGX Biotin & Collagen hair care collection to help infuse nutrients into every strand. Infused with collagen, a building block for healthy hair & biotin to help strength & maintain growth For a routine that pumps up the volume, use our entire Biotin & Collagen hair care collection The sulfate -free surfactant haircare system is paraben-free, gentle & leaves hair feeling nourished Ideal for flat to medium volume hair, the shampoo leaves hair looking & feeling fuller & healthier Thickens & volumizes while giving hair a beautiful boost with fuller & more abundant looking locks Pleasant bergamot, jasmine, & vanilla scent leaves tresses smelling irresistibly good Thickening shampoo also contains a nutrient-rich blend of vitamin B7 & hydrolyzed wheat protein