is the epidermis made of dead cells
The epidermis is the outermost layer of our skin. Its main purpose is protection. The epidermis is made of four main layers, or strata 1  : The stratum corneum is the thick, tough outer layer. 2  It is made mostly of dead cells that slough off constantly. 3  The stratum basale is comprised of new cells that are constantly dividing to replace the stratum corneum.