According to the present invention, a topical liquid agent having antifungal activity against dermatophytes, and further high nail permeability can be provided. The topical liquid agent for nail and/or skin for prevention or treatment of dermatophytosis comprises a film-forming agent and a compound represented by the formula: wherein R1 represents a hydrogen atom, C1-6 alkyl, or trifluoromethyl, R2 represents a hydrogen atom, C1-6 alkyl, halogen, -COO(C1-6 alkyl), or (CH2)1-3COOR where R represents a hydrogen atom or C1-6 alkyl, R3 represents a hydrogen atom, C1-6 alkyl, amino, trifluoromethyl, or OR where R represents a hydrogen atom or C1-6 alkyl, R4 represents a hydroxyl group, R5 represents a hydrogen atom, C1-6 alkyl, a hydroxyl group, or halogen, R6 represents a hydrogen atom, C1-6 alkyl, trifluoromethyl, halogen, amino, -NRaRb, nitro, hydroxy-C1-6 alkyl, -CONRaRb, -COO(C1-6 alkyl), -COOH, -(CH2)1-3COOR, or ORa where R represents a hydrogen atom or C1-6 alkyl, Ra and Rb may be the same or different from each other, and each represent a hydrogen atom, C1-6 alkyl, or C1-6 acyl, R7 represents a hydrogen atom, C1-6 alkyl, -OR where R represents a hydrogen atom or C1-6 alkyl, or halogen, R8 represents a hydrogen atom, C1-6 alkyl, a hydroxyl group, amino, or nitro, or a salt thereof.本發明提供一種具有抗白癬菌活性，又具有高指甲透過性之外用液劑。該白癬菌症預防或治療用外用液劑含有皮膜形成劑、及通式(I)所示之化合物或其鹽：(式中，R1表示氫原子、C1-6烷基、或三氟甲基；R2表示氫原子、C1-6烷基、鹵素、-COO(C1-6烷基)、或(CH2)1-3COOR(R表示氫原子或C1-6烷基)；R3表示氫原子、C1-6烷基、胺基、三氟甲基、或OR(R表示氫原子或C1-6烷基)；R4表示羥基；R5表示氫原子、C1-6烷基、羥基、或鹵素；R6表示氫原子、C1-6烷基、三氟甲基、鹵素、胺基、-NRaRb、硝基、羥基C1-6烷基、-CONRaRb、-COO(C1-6烷基)、-COOH、-(CH2)1-3COOR、或ORa(R表示氫原子或C1-6烷基，Ra與Rb可相同亦可不同，表示氫原子、C1-6烷基、或C1-6醯基)；R7表示氫原子、C1-6烷基、-OR(R表示氫原子或C1-6烷基)、或鹵素；R8表示氫原子、C1-6烷基、羥基、胺基、或硝基。)。
