Latisse (bimatoprost 0.03%) is the only FDA-approved prescription treatment for "hypotrichosis," or inadequate eyelash growth. Its history and effects make for a fascinating deep dive into medical serendipity. 1. An Accidental Discovery

While the exact mechanism isn't fully understood, experts from Gem State Eyecare and Nova Plastic Surgery explain that it likely alters the hair growth cycle in two ways: Latisse: Still the best thing going!

Latisse was originally developed as , an eye drop meant to treat glaucoma by reducing eye pressure. During clinical use, doctors and patients noticed a startling side effect: those using the drops were growing significantly longer, thicker, and darker eyelashes. Recognizing the cosmetic potential, the drug was rebranded and approved specifically for lash growth in 2008. 2. How It Actually Works