Latisse is an FDA-approved treatment that enhances eyelash growth by extending the growth phase of the hair cycle and increasing the number of hairs that grow. Its active ingredient, bimatoprost, originally used to treat glaucoma, was discovered to also stimulate eyelash growth. When applied regularly to the upper eyelid lash line, Latisse gradually encourages the growth of longer, thicker, and darker eyelashes. The process for visible improvement takes about 4 weeks, with full results typically seen in 16 weeks. Consistent application is key to achieving and maintaining the benefits of Latisse.