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Did you know?
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.