ABSTRACT Trichophyton mentagrophytes ATCC R4608300 and Microsporum canis are pathogenic fungi that can cause infection in humans. Tea tree essential oil has an antifungal effect against T. mentagrophytes ATCC R4608300 and M. canis. This study aims to determine the ability of tea tree essential oil to inhibit dermatophyte fungi and to determine the Minimum Inhibitory Concentration (MIC) of tea …