211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
194 citations
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May 2000 in “Journal of Investigative Dermatology” The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.
165 citations
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September 2003 in “Toxicology and applied pharmacology” Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.
163 citations
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April 2019 in “Nature Communications” Mechanical stretching of the skin can promote hair growth by activating certain immune cells.
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.
149 citations
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March 2004 in “Journal of Dermatological Science” Minoxidil boosts hair growth by increasing cell production and survival.
131 citations
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January 2018 in “Scientific Reports” Mycorrhiza helps trifoliate orange grow better roots and handle drought.
126 citations
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January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
116 citations
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
108 citations
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September 2002 in “The Journal of clinical investigation/The journal of clinical investigation” Lowering testosterone speeds up wound healing in male mice.
106 citations
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October 2016 in “Cell Stem Cell” PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.
103 citations
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January 2009 in “Carbon” Pure carbon nanotubes are safe for mice, but impure ones cause immune issues and hair loss.
102 citations
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August 2008 in “Genes & Development” Laminin-511 is crucial for early hair growth and maintaining important hair development signals.
99 citations
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June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
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September 2016 in “Reviews in Endocrine and Metabolic Disorders” The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.
96 citations
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January 1997 in “Clinics in Dermatology” Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.
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October 1981 in “Drugs” Minoxidil effectively treats severe hypertension but may cause side effects, so careful monitoring is needed.
95 citations
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February 2019 in “The New England Journal of Medicine” Mutations in the PADI3 gene are linked to a higher risk of scarring hair loss in women of African descent.
95 citations
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July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
91 citations
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December 2010 in “Stem Cells” Wnt signaling helps control how brain stem cells divide and is important for brain repair after injury.
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September 2019 in “Nature Communications” SOX11 and SOX4 help skin cells act like embryonic cells to heal wounds in mice.
81 citations
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February 1997 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by activating PGHS-1.
78 citations
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September 2006 in “International Journal of Cosmetic Science” Dandruff is mainly caused by a scalp reaction to yeast, can worsen hair loss, and antifungal treatments may help.
73 citations
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June 2010 in “PLoS Genetics” A gene mutation in mice causes hair loss, weak bones, and protein buildup, showing how protein processing issues can lead to diseases.
70 citations
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February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
69 citations
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January 2020 in “Veterinary World” Ringworm in pets is influenced by fungi type, immune status, and stress hormones.
69 citations
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December 2011 in “Journal of Ethnopharmacology” Some Thai plants, especially Carthamus tinctorius, could help prevent hair loss and promote hair growth without adverse effects.
67 citations
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December 2008 in “Developmental Biology” Msx2 and Foxn1 are both crucial for hair growth and health.
65 citations
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January 2018 in “Nature Reviews Endocrinology” Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.
61 citations
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September 2008 in “Stem Cells” Most hair follicle stem cells do not protect their DNA by dividing it unevenly.