Pure Thickening Treatment Biotin B-Complex + Caffeine For Noticeably Thinning Hair Control Flaking + Volumizing. Natural, Vegan, Color-Safe, pH Balanced, Gluten Free, Cruelty-Free. Biotin helps revitalize hair to build body and increase thickness. Caffeine energizes scalp and stimulates for extended vitality. Target dandruff to eliminate flakiness. Certified Organic Patchouli & Green Tea control flakes & deeply cleanses the scalp. Hair will be visibly thicker & fuller with continued use.