The skin is the largest organ of the human body. We tend to interact with it several times a day, yet most of us do not really understand about maintaining a proper skin care regimen. Here are some important facts. There are two main layers to the skin. The layer on top is called the epidermis. This layer is very thin (only about one millimeter) but performs several essential functions. The epidermis forms a strong barrier and helps protect our bodies from our living environment. The pigment cells in the epidermis help protect us from the harmful ultraviolet rays of the sun. The immune system is also included as part of the epidermis. When we get a scrape or a cut, harmful bacteria are kept in check which reduces our chances of getting an infection. The second or lower portion of the skin is called the dermis. This portion is very thick in some areas of the body, such as on the back, but can also be quite thin in other locations such as the eyelids. The dermis is comprised of a resilient tissue called collagen. This provides the elastic tissue that provides our bodies flexibility. Pinch your skin; notice how it snaps back to its normal shape. The dermis also contains nerves, blood vessels and glands. Â
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