View Latisse WebsiteGrow your eyelashes thicker, longer, and even darker with Latisse®, the first and only FDA approved prescription treatment for poor lashes! Latisse® solution is a once-a-day treatment you apply topically to the base of your upper eyelashes. Then, gradually, the results come in. You will start to see more length in as little as 4 weeks and you should achieve full growth in 16 weeks. It’s not make-believe growth. It’s your own eyelashes – only better!