Avalon Organics Biotin B-Complex Therapy Thickening Shampoo - 14 oz. (414 mL) Avalon Organics Biotin B-Complex Therapy Thickening Shampoo is specifically designed to help restore thinning hair. This Shampoo is fortified with an elixir of biotin, saw palmetto and wheat protein to help control hair loss. Avalon Organics, Saw Palmetto, Thickening Shampoo, B Complex, Hair Control, Thinning Hair, Wheat, Biodegradable Products, Conditioner