How much water is absorbed through the skin while showering?

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SUMMARY

The human skin is not waterproof but rather water-resistant, as confirmed by Dr. Robert Polisky, a dermatologist. The stratum corneum, a protective layer composed of dead cells rich in keratin and coated with sebum, creates a water-resistant barrier. This barrier allows for some water absorption, which is evident when skin appears prunelike after prolonged exposure to water. The discussion emphasizes the skin's complex functions, including temperature regulation and protection against microorganisms.

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  • Understanding of skin anatomy, specifically the stratum corneum
  • Basic knowledge of dermatology and skin functions
  • Familiarity with the concept of water resistance versus waterproofing
  • Awareness of the effects of prolonged water exposure on skin
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How much water is absorbed through the skin while showering?
 
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I believe that the skin is waterproof, so none. If there are any exceptions to this, then I am unaware of them.

Just as a little side note, I did a quick google to varify what I thought, and found this:

It is impossible that evolution could have produced such an important and complex organ as the human skin. The many intricacies of its functions are evidence of a Creator. One writer remarked: “The skin is a miracle of evolutionary engineering: it waterproofs the body, blocks out and destroys harmful bacteria, regulates temperature, and continuously communicates with the brain” (McCutcheon, 1989, p. 113). Yes, the skin is a “miracle” all right—but not a miracle of evolution. And yes, the skin was “engineered”—but the engineer was God!

From an otherwise quite good article about the skin: http://www.apologeticspress.org/modules.php?name=Read&itemid=2581&cat=11

It amused me somewhat.
 
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The skin is most defintiely not waterproof. One of its primary functions is to regulate water!

If the skin were waterproof, we wouldn't look like a prune after getting out of the bath (or pool).
 
matthyaouw said:
I believe that the skin is waterproof
"The answer, according to Dr. Robert Polisky, a dermatologist in Elk Grove Village, Illinois, is both yes and no. Skin, which protects the body against injury, microorganisms, and chemical agents, is water-resistant but not waterproof. The protective layer is called the stratum corneum, a thin membrane of mostly dead cells that's rich in a protein called keratin and also coated with sebum, an oil secreted through hair follicles. Together they create a water-resistant barrier that protects the dermis, where the capillaries and sweat glands lie. (If you want to verify that your skin isn't waterproof, take a long bath—the prunelike effect on your hands and feet is a result of the keratin becoming waterlogged.)"
http://outside.away.com/outside/news/200303/200303wildfile.html
 
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