Xalatan is a prescription eye drop solution containing 0.005% Latanoprost, manufactured by Pfizer. This ophthalmic solution comes in a 2.5ml bottle and is used for treating certain eye conditions under medical supervision. The active ingredient in Xalatan is Latanoprost at a concentration of 0.005%. As this is a prescription medication, it should only be used under the direction and supervision of an eye care professional. The product comes in a 2.5ml bottle format for ophthalmic (eye) use.