research Hydrobiome Of Thermal Waters: Potential Use In Dermocosmetics June 2023 in “Cosmetics” Thermal spring waters and their microbes could be good for skin health and treating some skin conditions in skincare products.
research Acanthosis Nigricans, Insulin Resistance, and Cutaneous Virilism January 1988 The conclusion is that there's a link between high testosterone levels, insulin resistance, and certain skin conditions, regardless of obesity.