0.7ml travel size, new in box. From Sephora. This iconic beauty breakthrough from the #1 Lash and Brow serum brand in America* is proven to promote the appearance of longer, thicker, healthier looking lashes in 4-6 weeks. Powered by a proprietary lash complex, this ophthalmologist-tested serum creates luxury-level lashes — all your own. Join the millions of lashes transformed!