The epidermis is the outermost layer of the skin and serves as a protective layer with many cells, mechanisms, and nerve endings. This layer is composed of five distinct sublayers, which are the stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum germinativum. Each of these layers plays a critical role in maintaining the skin’s integrity and functioning as a barrier against infection, dehydration, and other external factors.