Powered by Brow Genius®, the Anastasia Beverly Hills Brow Genius Brow Serum is expertly formulated with six high-performance ingredients to help manage and maintain smoother-looking brows. Biotin and castor oil work in unison to help protect, condition and nourish the brow hairs, while peptides, panthenol and Korean ginseng encourage a fluffier-looking finish. The multi-beneficial serum seeks to soften and tame unruly brows, promoting a fuller-looking appearance. Vegan and cruelty-free.