LOCERYL is a medication lacquer used on fingernails and toenails. It can treat fungal infections of the nail. It works by preventing the growth of fungal cells. LOCERYL is a long-term medication that usually takes 9-12 months for the full effect. The nail needs to grow out and replace the infected nail for the infection to resolve. LOCERYL is not approved for use in the United States, but it can be purchased online. Speak with your healthcare provider before starting treatment. Fact Table Formula C21H35NO License US FDA Bioavailability 4–10% Legal status UK AU: OTC Chemical Name Amorolfine Elimination half-life - Dosage (Strength) 5% Pregnancy Consult Doctor Brands Loceryl Protein binding - PubChem CID 54260 MedlinePlus - ChEBI 599440 ATC code D01AE16 DrugBank DB09056 KEGG D02923 Routes of administration -