Milady Cosmetology Practice Exam 2026 – All-in-One Guide to Master Your Cosmetology Certification!

The dermis plays a crucial role in the structure and function of the skin. It is located beneath the epidermis and serves as the supportive layer that provides structure to the skin. One of the primary functions of the dermis is to house blood vessels and nerves, which are essential for nutrient delivery, waste removal, and sensory perception. The dermis is also responsible for housing various connective tissues, hair follicles, and glands (like sweat and sebaceous glands), all contributing to the overall health and functionality of the skin.

The other options do not accurately represent the primary role of the dermis. While the epidermis is responsible for providing color to the skin through melanin production, this is not a function of the dermis. Protection against UV radiation is mainly the job of the epidermis, specifically through its outermost layer. Lastly, the shedding of dead skin cells is a function associated with the epidermis, specifically the turnover of cells in the outer layers, rather than the dermis. Thus, the correct answer emphasizes the supportive and functional aspects of the dermis in relation to the entire skin structure.