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Dermatophyte infections of the skin and nails are frequent, but current antimycotics have several drawbacks. In search of new treatments, we looked into the vast array of herbal active agents. Derived from plants, they are sustainable, agreeable for patients, and may have less side effects than traditional antimycotics. In this study, we assessed 43 herbal agents for their effectiveness against Trichophyton rubrum (T. rubrum), Trichophyton benhamiae (T. benhamiae), Trichophyton tonsurans (T. tonsurans), and Microsporum canis (M. canis), four major human dermatophyte pathogens. The antifungal effect was tested by incorporating the agents into agar plates and measuring the dermatophyte growth after 7 days. Against T. rubrum, 16 out of 43 herbal agents showed total inhibition of dermatophyte growth. 14 out of 43 herbal agents inhibited the growth of T. benhamiae completely. 18 out of 43 herbal agents were effective against T. tonsurans. Against M. canis, 15 out of 43 herbal agents showed total growth inhibition. Twelve herbal agents inhibited the growth of all tested dermatophytes completely. This study demonstrates the high antimycotic potential of herbal therapeutics and identified promising candidates for the topical treatment of dermatomycoses. Substances are highly agreeable and should be tolerated well. Some might even provide new options for the systemic treatment of fungal diseases. [ABSTRACT FROM AUTHOR]