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Recent advances have highlighted exosomes as promising therapeutic, prognostic, and diagnostic agents in dermatology and aesthetic medicine, suggesting their expanding role in various skin conditions. This comprehensive review examines the current applications and future directions of exosomes in dermatological practice. The analysis of available literature reveals a growing market of exosome-based products internationally and within the United States, with diverse formulations primarily derived from human stem cells. Clinical studies of exosomes have demonstrated clinical efficacy in addressing skin aging, scarring, hair restoration, and melasma. Additionally, exosomes show potential as therapeutic agents for inflammatory skin conditions like atopic dermatitis and as prognostic and diagnostic biomarkers for various dermatological disorders including psoriasis, vitiligo, and melanoma. Despite promising results, challenges remain in the standardization of isolation protocols, optimization of delivery systems, and establishment of regulatory frameworks. Proper characterization of exosome cargo is necessary to ensure safety and efficacy. Future applications may include engineered exosomes with enhanced targeting capabilities, plant-derived formulations with improved penetration, and combination therapies integrating exosomes with established dermatological procedures for improved outcomes across cosmetic, wound healing, and oncological applications. Exosome-based therapies may represent a paradigm shift in dermatological treatment, yet their transition from promising research to mainstream clinical practice hinges on overcoming key technical and regulatory obstacles.
Nahm et al. (Wed,) studied this question.