Which layer is commonly referred to as the true skin?

The dermis is commonly referred to as the true skin because it is the layer of skin that provides the structural integrity and elasticity to the skin. It lies beneath the epidermis and contains a rich matrix of collagen and elastin fibers, which are essential for skin strength and flexibility. Additionally, the dermis houses blood vessels, lymphatic vessels, hair follicles, sweat glands, and nerve endings, all of which play vital roles in skin health and function.

In this layer, the presence of connective tissue and the supporting structures enable the skin to withstand various stresses and changes. The dermis also plays a critical role in thermoregulation and sensation, making it integral to the overall functionality of the skin as an organ. Therefore, referring to the dermis as the true skin highlights its significance in maintaining the skin’s appearance and health.