The FDA has approved Latisse, the first drug to promote eyelash growth, according to Allergan, the company that makes Latisse. Latisse, which will be available by prescription starting in the first quarter of 2009, contains the active ingredient of the glaucoma drug Lumigan, which is also made by Allergan. Eyelash growth is a known side effect of Lumigan. But Lumigan and Latisse are used differently. Lumigan is an eyedrop, and Latisse gets dabbed along the lash line on the upper eyelids to promote longer, thicker, darker lashes. Allergan states that "Latisse users can expect to experience longer, fuller, and darker...