Give thin, flat hair a beautiful boost with the hair thickening power of this nutrient-rich volumizing shampoo Infused with vitamin B7, biotin & collagen, it leaves hair looking fuller & healthier. ALL-AROUND SENSORY EXPERIENCE: The bergamot, jasmine and vanilla scent leaves your locks smelling irresistibly good every time you lather up Plus the sulfate-free surfactant hair care system is paraben-free and gentle on your tresses. HAIR CARE INSPIRED BY NATURE: The nutrient-rich, plump-it-up formula contains vitamin B7 biotin, which helps strengthen hair to maintain growth, collagen, a building block for healthy hair, and hydrolyzed wheat proteins. THICKER, FULLER, HEALTHIER: Ideal for flat to medium volume hair, this volumizing shampoo leaves hair feeling thicker and healthy-looking as it cleanses. PLUMP UP THE VOLUME: The 13-fluid ounce bottle of OGX Thick and Full Biotin and Collagen Shampoo gives thin strands a thickening boost, volumizing them into fuller and more abundant-looking locks. Give thin, flat hair a beautiful boost with the hair thickening power of this nutrient-rich volumizing shampoo Infused with vitamin B7, biotin and collagen, it leaves hair looking fuller and healthier.