Ancient Botanicals and the Skin: Defining Dermatologic Ethnophytoconvergence as a Translational Framework for Pharmacognosy

The paper introduces the concept of dermatologic ethnophytoconvergence, which involves the historical use of non-endemic plants by various cultures for skin-related purposes, supported by modern scientific studies. It identifies 10 plant families with widespread distribution that fit this framework, emphasizing their historical and contemporary relevance in dermatology. Notably, Equisetaceae and Cyperaceae show promise in hair care, demonstrating trichologic ethnophytoconvergence. The review highlights the use of duckweed and Arum species for treating conditions like alopecia and infections, with preclinical studies supporting their efficacy. It underscores the importance of cross-cultural botanical knowledge in advancing dermatologic treatments, while also acknowledging potential publication bias in the literature.