Necrosis Following Dermal Injection of Lyophilized Exosomes: A Case Report

This case highlights a serious, underreported complication of unapproved exosome-based injectable therapies. The ischemic necrosis and resulting scarring underscore the importance of regulatory oversight and clinical caution when using such products. Further research and safety evaluation are essential before exosomes can be routinely used in dermatologic practice.