Careprost is an ophthalmic solution, which is widely used to get denser eyelashes. Those who want to thicken the eyelash are advised with this medicine. Bimatoprost is the active drug in this solution. Careprost ( http://www.samrx.com/buy-careprost.aspx ) effectively works on a chemical prostaglandin that helps to make eyelashes longer, denser, and darker. It helps to regrow the hair.