What is a hair shaft made of?

Each hair shaft is made up of two or three layers: the cuticle, the cortex, and sometimes the medulla. The cuticle is the outermost layer. Made of flattened cells that overlap like the tiles on a terra-cotta roof, the cuticle protects the inside of the hair shaft from damage.

How thick is human skin in CM?

Dermis and Subcutaneous Fat

It is thicker (averages 1 to 4 mm) than the epidermis which is about as thin as piece of paper. The dermis varies in thickness. It is very thick on the back (almost 1 cm); it is very thin on the eyelid. The dermis has two main zones, the papillary dermis and the reticular dermis.

How thick is your skin compared to paper?

The average epidermal thickness is 0.1 millimeters, which is about the thickness of one sheet of paper.

Where is the human skin the thickest?

palms and soles

Skin is thickest on the palms and soles of the feet (1.5 mm thick), while the thinnest skin is found on the eyelids and in the postauricular region (0.05 mm thick). Male skin is characteristically thicker than female skin in all anatomic locations.

How thick is a single layer of skin?

The epidermis is the outermost layer of the skin. Its thickness depends on where it is located on the body. It is thinnest on the eyelids (roughly half a millimeter) and thickest on the palms and soles (1.5 millimeters).

What is the thinnest layer of skin?


The epidermis is the thinnest layer of skin, but it’s responsible for protecting you from the outside world, and it’s composed of five layers of its own.