Disclosed is an anhydrous topical formulation for the treatment of papillary tubercles, nail diseases and nail care, including one or more active ingredients, at least one C1-C4 alkyl ester of lactic acid, malic acid, tartaric acid, citric acid, undecanoic acid, or undecenoic acid as carrier and optional physiologically compatible auxiliary substances. The product according to the invention can be used as human medicine and also be used in veterinary medicine for treating fungal infections of hooves, claws and talons of pets, domestic animals and wild animals in captivity as well as human skin and nail.本發明係有關一種無水之局部用產品,供處理疣、指甲疾病與指甲保養,其包含一種或多種活性成份、作為載劑之一種或多種乳酸、蘋果酸、酒石酸、檸檬酸、十一碳烷酸或十一碳烯酸之C1-C4-烷基酯,與可視需要選用之生理上可相容之輔劑。本發明產品不但可作為人類用醫藥,亦可用為獸醫用藥,供處理皮膚人類之病毒感染,及人類指甲、寵物與家畜之蹄、爪與鉤爪之黴菌感染。