September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
31 citations
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February 1999 in “Dermatologic surgery” Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.
11 citations
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April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
2 citations
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September 2022 in “Annals of Medicine and Surgery” A man with a rare scalp cancer was successfully treated, highlighting the need for early management to prevent spread and complications.
3 citations
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October 1979 in “Laboratory animals” Hairless rats are good for testing anti-inflammatory drugs, similar to haired rats, without needing to remove fur.