Antifungal nail coat compositions containing an allylamine, an N,N-di(C.sub.1-C.sub.8) alkylamino substituted, (C.sub.4-C.sub.18) alkyl (C.sub.2-C.sub.18) carboxylic ester or a pharmaceutically acceptable acid addition salt thereof, a hydrophilic polymer, and a pharmaceutically acceptable, volatile organic carrier are disclosed. The composition provides a substantially water-soluble, fungicidal coating upon contact with a fungally susceptible or infected nail.