A Dermatologic View—Bioengineering Analysis of Water Hydration


The water content of the stratum corneum (SC) influences almost every biophysical property measurable at the skin surface. Water hydration can be measured using the plastic occlusion stress test (POST) or the water sorption- desorption test (WSDT). Like the WSDT, POST provides dynamic information on skin hydration, even on nonvisible skin damage.

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