31 citations
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September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
12 citations
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February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
1010 citations
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August 2000 in “Cell” Hair follicle stem cells can form both hair follicles and skin.
4 citations
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March 2024 in “Journal of Investigative Dermatology” SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.
14 citations
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July 2016 in “Anatomical Science International” The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.