The biology of human skin
The architecture of our outer shield
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The evolutionary rainbow of human pigment
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A bustling microscopic wilderness
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The magic of self-repair and healing
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YOUR GOAL
Master of The biology of human skin
Face mites: Almost every adult human has microscopic, eight-legged Demodex mites living in their eyelash and nose hair follicles.
The community of microorganisms, including bacteria, fungi, and viruses, that inhabit a particular environment. Human skin hosts roughly one million bacteria per square centimeter to protect the body from external pathogens.
Where on the human body is the density of oil-producing sebaceous glands the highest?
What microscopic, eight-legged arachnids live naturally in human facial hair follicles?
Which oily substance is produced by glands in the skin to waterproof and lubricate it?
What acidic component of sweat helps maintain the protective barrier of human skin?
Which bacterium is a helpful, dominant resident of healthy human skin that fights off pathogens?
How does washing skin with harsh alkaline soaps affect the skin's natural defense barrier?