Disclosed is a safe, transdermal absorption preparation useful in the treatment of fungal infections, having excellent skin permeability and strong antifungal activity, and greatly contributing to a patients quality of life. The disclosed transdermal absorption preparation contains 4-{3-[4-(3-{4-[amino(imino)methyl]phenoxy}propyl)-1-piperidinyl]propoxy}benzamidine, or a salt thereof, and a transdermal absorption enhancer.
