Challenge Your Exam Readiness With Our Free Esthetician Practice Questions

The dermis is the middle layer of the skin located beneath the epidermis. It contains blood vessels, lymph vessels, nerves, hair follicles, sebaceous glands, and sweat glands. The dermis provides structural support, elasticity, and nourishment to the epidermis through its collagen and elastin fibers. The epidermis (choice A) is the outer protective layer, lacking blood vessels. The stratum corneum (choice C) is the outermost sub-layer of the epidermis, composed of dead keratinized cells. The hypodermis (choice D), also called the subcutaneous layer, consists primarily of adipose tissue that cushions and insulates. Estheticians must understand dermal structure to tailor treatments that stimulate circulation, maintain hydration, and preserve skin barrier health. Knowledge of dermal components is also critical when selecting ingredients or performing modalities that affect collagen and elastin support.