What it is: A cult-favorite serum that creates longer, thicker lashes in as little as four to six weeks.Highlighted Ingredients: - L-Proline (Amino Acid): Provides essential care for fortified, healthy lashes.- Hyaluronic Acid: Conditions, hydrates, and protects dry, brittle, or damaged lashes to prevent breakage. - Vitamin E: Supports healthy lashes. Ingredient Callouts: Free of parabens. This product is also cruelty-free.