Thickening Biotin B-Complex SHAMPOO. Formulated with a carefully balanced blend of biotin, saw palmetta, quinoa protein and vitamin E, this shampoo works in harmony to: Help build body in fine, thinning hair Cleanse and nourish hair from root to tip Help strengthen hair strands pH balanced This Avalon Organics® shampoo formula is EWG VERIFIED™, which means it meets the Environmental Working Group's strictest criteria for ingredients, transparency, and health and features the EWG VERIFIED™ seal on its label