Avalon Organics Biotin B-Complex Thickening Shampoo Description Supports an Energized Scalp and Thicker, Full Hair Avena Sativa No GMOs Vegan Biodegradable No Synthetic Fragrances or Colors Cruelty Free Thickening Shampoo wiht Biotin B-Complex Formulated with a carefully balanced blend of biotin, saw palmetto, quinoa protein and vitamin E, this shampoo works in harmony to: Help build body in fine, thinning hair