12 citations
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January 2021 in “Journal of Investigative Dermatology” Hair follicle studies suggest that maintaining telomere length could help treat hair loss and graying, but it's uncertain if mouse results apply to humans.
22 citations
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October 2020 in “Frontiers in Cell and Developmental Biology” Fisetin, a type of polyphenol, may help hair grow by increasing certain protein activities in cells.
7 citations
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September 2020 in “Bioscience Biotechnology and Biochemistry” The scalp has more diverse bacteria, while hair has more bacteria and unique types.
2 citations
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August 2020 in “International Journal of Cosmetic Science” Lindera strychnifolia root extract may help balance scalp bacteria and potentially reduce hair loss.
48 citations
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April 2019 in “PloS one” Alopecia areata patients have more Propionibacterium acnes and less Staphylococcus epidermidis on their scalps.
55 citations
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
414 citations
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August 2005 in “Nature” Activating TERT in mice skin boosts hair growth by waking up hair follicle stem cells.