8 citations
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March 2015 in “Molecular Medicine Reports” Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.
4 citations
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December 2022 in “Skin Research and Technology” Reduced Sonic hedgehog signaling leads to increased HPV replication and wart formation.
12 citations
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May 2015 in “Molecular Medicine Reports” Troxerutin helps protect skin cells from oxidative stress and may be good for treating hair loss.
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.
57 citations
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January 2019 in “Stem Cell Research & Therapy” OCT4 helps hair stem cells renew and fight aging, potentially aiding hair regrowth.