8 citations
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March 2014 in “Experimental Dermatology” Light and temperature affect the daily skin function rhythms in hairless rats, with temperature influencing water loss but not skin hydration.
9 citations
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July 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
127 citations
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January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
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.
252 citations
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January 2008 in “Trends in Endocrinology and Metabolism” Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.