Fig. 1From: Uncovering the gray zone: mapping the global landscape of direct-to-consumer businesses offering interventions based on secretomes, extracellular vesicles, and exosomesSource of stem cells used to generate the secretomesGlobal distribution of clinics and businesses providing secretome-based interventions and the source of the secretomes. Data were collected between July and November 2022 using Google as the search engine. A Distribution of direct-to-consumer businesses. B Type of stem cells used for the secretome generation. Al: allogenic; Au: autologous; Ud: undisclosed. C Back to article page