Thick and Full and Biotin and Collagen Shampoo - 385mlGive your fine hair a volume boost with OGX Thick & Full Biotin & Collagen Shampoo. Specially formulated with a blend of Vitamin B7, biotin, collagen, and hydrolyzed wheat protein, this shampoo helps nourish each strand for the appearance of thicker, fuller, and healthier looking hair. Key Benefits: Adds Body & Volume: Designed for normal, untreated fine hair, this shampoo adds body, making hair look and feel thicker with every wash. Nutrient Packed