Curanail Amorolfine 5% w/v Medicated Nail Lacquer (2.5ml). Curanail Nail Lacquer is an anti-fungal nail treatment.. Curanail 5% Nail Lacquer Amorolfine Treatment gives you a once-a-week treatment for symptoms of nail fungus. It contains Amorolfine 5%.. A nail lacquer for toenail fungus.