Various researchers studied ethic differences in water content (hydration) of the skin on multiple body sites using various techniques (in vivo resistance, capacitance, conductance, and impedance) (Table 2) (4-6,8,10,13,14). The results of the stratum corneum water content of the various studies are difficult to interpret, as other factors (e.g., sweat production, hair on the site of measurement) might impair the quality of the electrode contact with the skin. Overall, the studies indicate that racial differences in water content measured by resistance, capacitance, conductance, and impedance are inconclusive.
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Rosacea and Eczema are two skin conditions that are fairly commonly found throughout the world. Each of them is characterized by different features, and can be both discomfiting as well as result in undesirable appearance features. In a nutshell, theyre problems that many would want to deal with.