Above, this scanning electron microscope image shows a healthy human hair near the scalp – the portion of the hair shaft that is least damaged by daily wear and tear. Image courtesy of Ohio State University.
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| Above, a scanning electron microscope image of a healthy human hair near the tip of the hair shaft – a portion that is showing obvious wear and tear. Image courtesy of Ohio State University. Below, a similar image of a healthy human hair along the middle of the hair shaft – a portion that has begun to show signs of daily wear and tear. Image courtesy of Ohio State University. |
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Above, this scanning electron microscope image shows a healthy human hair near the scalp – the portion of the hair shaft that is least damaged by daily wear and tear. Image courtesy of Ohio State University. |