This iconic beauty breakthrough from the #1 Lash and Brow serum brand in America* is proven to promote longer-, thicker-, healthier-looking lashes in 4 weeks. Powered by a proprietary lash complex, including peptides, amino acids, grape seed extract, and hyaluronic acid, the ophthalmologist tested serum syncs with the natural lash cycle for luxury-level lashes — all your own. Join the millions of lashes transformed!