Sun-damaged skin cracks open more easilyoutermost layer of skinStanford Universitystratum corneumSun-damaged skin cracks
Beyond the cancer risk, sun damage can make the outermost layer of skin more likely to tear, which leaves deeper layers vulnerable to infection.
“UV exposure doesn’t just make the stratum corneum weaker,” says Stanford University engineer Reinhold Dauskardt. “It also increases the actual stresses that cause the stratum corneum to fail. So it’s sort of a double-whammy, which we didn’t expect.”
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