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How does the epidermis protect your skin?

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The outermost layer of your skin, the epidermis, is the thin, tough part of your body that acts like a protective shell. Because they're also the first to encounter damage, the cells of the epidermis are constantly renewing themselves, with dead skin cells falling off by the tens of thousands each minute. read more

When the epidermis is healthy, it protects the body from bacteria, viruses, infection and other unwanted substances [source: The Merck Manuals]. Protection starts with the natural layer of oil that appears on the outermost surface of the skin, providing the first barrier of protection. read more

Epidermis: The Outer Layer of Skin The epidermis is the thinnest layer in your skin, but it's responsible for protecting you from the harsh environment. The epidermis has four layers of its own: stratum germinativum, stratum spinosum, stratum granulosum, and stratum lucidum. read more

Epidermis. Your skin's top layer, the epidermis, is super thin on some parts of your body (your eyelids) and thicker on others (the bottoms of your feet). The epidermis is the layer of skin in charge of: Making new skin cells: This happens at the bottom of the epidermis. read more

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Further Research

How Does the Skin Work?
www.webmd.com

Skin Function: Protection
health.howstuffworks.com

What is the dermis?
www.sharecare.com