Plump up the volume in thin hair with the OGX Thick & Full Biotin & Collagen Hair Volumizing Conditioner. Ideal for flat to medium volume hair, this thickening conditioner leaves hair feeling fuller & 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 also contains hydrolyzed wheat protein for hair that feels thicker & healthy-looking. Plus, the bergamot, jasmine & vanilla scent makes conditioning all-around sensory experience that leaves locks with an irresistibly good smell. Paraben-free with sulfate-free surfactants, this volumizing conditioner helps turn up the volume on your tresses & leave them feeling detangled. For best results, use this conditioner with the entire OGX Biotin & Collagen hair care collection to help infuse nutrients into every strand.