Original data of human and horse skin at different altitudes
This study recruited populations of humans and horses from high- and low-altitude areas which were Daocheng area and Guangdong Province, China, respectively. All subjects were healthy, without any skin allergies or infections, and those who had used cosmetics within 24 hours were excluded. All the participants were given written informed consent. Relevant characteristics, including gender, age, and sampling site, were recorded to exclude individuals with interfering factors in this experiment. In this study, there were a total of 119 human skin samples and 50 horse skin samples.