Grande Lash Enhancing Serum. 3 month supply. Never opened. 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. Research Results: In a 12 week consumer study using GrandeLASH-MD: 94% saw healthier looking lashes 91% saw longer looking lashes 97% saw more visible lashes *Based on a 12 week consumer study with 30 subjects. Results will vary.