ABSTRACT
The superficial epidermis is the part of the skin that we see directly. Our appreciation of the condition of the skin, both as consumers and as medical professionals, is primarily dependent on visual inspection. Various examination techniques can be applied additionally [1-3]. Techniques that illustrate the skin condition, such as surface microscopy, assessment of color, scaling, and surface contour, are first-line methods in the evaluation of cosmetic products because of their direct relevance, whereas other methods such as electrical conductance, transepidermal water loss, and pH are second-line or surrogate methods that may only serve as tools in research with a special aim.
