Powered by the patented ingredient Procapil®, the BondiBoost Procapil Hair Tonic is a potent leave-in treatment designed to visibly strengthen the hair to encourage a fuller-looking appearance. Infused with a high-performance blend of Procapil® 3%, aloe vera and vitamin B5, the vegan formula features a lightweight, non-greasy texture, ideal for all hair types with fine to medium textures. Vegan.