Emtrix is a liquid nail solution recommended for the local treatment of toenail and fingernail fungal infections. It contains 2 active ingredients, urea and lactic acid, which combine to treat nail fungal infections, while also softening and smoothening nails that have become brittle or thick, as a result of the infection. This liquid nail solution comes in a 10 mL plastic tube with a silicone pinpoint tip to facilitate application to the nail.