Which layer of the skin contains the hair follicles?

The correct choice highlights the dermis as the layer of skin that contains hair follicles. The dermis is situated beneath the epidermis and is composed of connective tissue that provides strength and elasticity to the skin. Within the dermis, you'll find various structures, including hair follicles, sweat glands, sebaceous glands, and blood vessels, which play crucial roles in skin vitality and function.

The epidermis, the outermost layer of skin, does not have hair follicles; it primarily focuses on providing a barrier and protecting against environmental factors. The subcutaneous layer, which lies beneath the dermis, is primarily composed of fat and connective tissue and serves as insulation and cushioning for the body but does not contain hair follicles either. The stratum corneum is the outermost part of the epidermis and consists of dead skin cells that are shed and does not house hair follicles. Thus, the dermis is the definitive layer for hair follicle containment and is essential for hair growth and skin health.