It contains three layers: the epidermis, dermis, and hypodermis which all require different types of cells: (hghinjections.us)
The skin is composed of 3 layers: the epidermis, the dermis, and the hypodermis. (cancerresearch.org)
The skin is composed of three layers: the epidermis, which is the thinnest of the three layers and sits on the very top; the dermis, which sits in the middle; and the hypodermis, which connects skin to bone and muscle. (paleoforwomen.com)