It contains the hair roots which are contained in a hair follicle

last layer of your skin. also known as subcutis

The subcutis layer, also known as the hypodermis, provides insulation and cushioning for the body, helping to regulate temperature and protect underlying structures like muscles and bones. It also stores fat for energy and acts as a shock absorber.

There are about 5 million pores on the human body. The end of hair follicle exists at the bottom of a sweat pore beneath the epidermis and the dermis in a layer called the subcutis. Sweat glands are also found in the subcutis region.

The correct order of the layers of skin from the innermost to the outermost is the subcutis (hypodermis), dermis, and epidermis. The subcutis contains fat and connective tissue, the dermis contains blood vessels and nerves, and the epidermis is the outermost layer that provides protection.