Longer-looking lashes start with the Babe Lash Essential Serum. This award-winning eyelash serum is a #1 best-seller and has a highly devoted following for one reason: it works! If you’ve wanted your lashes to look longer and more fluttery, all without needing extensions or falsies, consider this your sign to try the Babe Lash Essential Serum. 2ml, last up to 12 weeks. How to apply: apply as you would an eyeliner at night before bed.