Bioengineering of the Skin: Water and the Stratum Corneum: The first volume offers comprehensive information about the technology of instruments and the art of applying them in experimental settings. For example, it contains:- an overview of the ultrastructure and biochemistry of the epidermal barrier- an explanation of the instruments for measuring transepidermal water loss and epidermal moisture- guidelines for standardization of measurements and communication of results- review of current knowledge on epidermal water and transepidermal water loss in health and disease- instruction by experienced investigators about how to perform product testing with these instruments