From website: Wear your Mascara Bond any time of the day! The Mascara Bond is a 2-in-1 mascara formula featuring an ultra-nourishing Lash Serum to promote beautifully long, remarkably strong lashes. This tubing mascara is powered by Growth Bond Complex™ to promote long-term stimulation, and the Flake-Free Liquid Fiber Serum that combines buildable fibers to add dramatic length + curl, creating the glamour of faux-lashes without the glue.