11 citations
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October 2017 in “Oncotarget” Gsdma3 affects hair growth by controlling Wnt5a, which influences hair cell development.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
25 citations
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June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
December 2025 in “The Journal of Cell Biology” Keratin 15 helps maintain skin cell growth and repair.
24 citations
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January 1985 in “Dermatology” Higher levels of certain immune cells in hair follicles may contribute to alopecia areata.
27 citations
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August 2015 in “Experimental Dermatology” Certain electric currents can promote hair growth by activating specific cell pathways.
149 citations
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July 2014 in “Cold Spring Harbor Perspectives in Medicine” The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.
February 2023 in “International Journal of Molecular Sciences” Exosomes from skin cells can boost hair growth by stimulating a gene called LEF1.
February 2026 in “The European Physical Journal E” Root hair growth mechanics depend on turgor pressure and cell wall properties.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.