Simple Tips to Keep Your Lashes Looking Their Best Proper lash extensions aftercare helps your lashes stay cleaner, last longer, and keep their shape better between appointments. If you prefer a quick summary, you can save the aftercare checklist below for easy reference. If you would like to learn more about how to care for your lashes and avoid common problems, continue reading below. Why Lash Aftercare Matters Good aftercare helps with: Better retention Cleaner lashes and