October 2025 in “Journal of Investigative Dermatology” Hair follicle dermal stem cells help control hair growth timing by regulating signals at the hair germ–dermal papilla interface.
January 2021 in “Dermatology online journal” One twin girl has Loose anagen syndrome with poorly anchored hair, diagnosed with a simple hair pull test, while her identical twin does not have the condition.
March 2023 in “Journal of Student Research” Humans likely became hairless to better regulate body temperature.
July 1995 in “Journal of Dermatological Science” 13 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Mutations in the DSG4 gene cause fragile, sparse hair in humans, mice, and rats.
335 citations
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March 2004 in “Development” Temporary activation of β-catenin can create new hair follicles, but ongoing activation is needed to keep hair follicle tumors.
13 citations
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March 2012 in “The Journal of Dermatology” Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.
September 2009 in “Hair transplant forum international” The document's conclusion cannot be determined.
53 citations
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October 2003 in “Genetics” The mK6irs1/Krt2-6g gene likely causes wavy hair in mice.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
1 citations
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February 2023 in “Journal of the American Board of Family Medicine” Primary care should recognize and treat hair loss in hijab-wearing individuals with cultural sensitivity.
1 citations
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May 2003 in “Archives of Pathology & Laboratory Medicine” The boy had trichotillomania, causing hair loss, and treatment focused on habit reversal and support.
January 2012 in “International Journal of Trichology” Psychological factors significantly affect hair health, suggesting a need for integrating mental health care in treating hair loss.
July 2024 in “Journal of Investigative Dermatology” Wnt and SHH signals together influence hair follicle cell development, offering insights for hair loss treatment.
26 citations
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October 2016 in “Biomolecules & Therapeutics” 3-Deoxysappanchalcone helps human hair cells grow and stimulates hair growth in mice by affecting certain cell signaling pathways.
January 2019 in “Journal of Drug Delivery and Therapeutics” Changing six essential health practices can help prevent excessive hair shedding.
22 citations
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January 1985 Water makes hair more flexible, especially the outer layer.
December 2025 in “Journal of Surgery Research and Practice” Accurate positioning in female hairline transplants creates a natural, feminine look.
September 2011 in “European journal of cancer” 1 citations
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January 2000
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
1 citations
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June 2017 in “Nature Reviews Immunology” Immune cells called Treg cells are essential for hair growth and regeneration.
12 citations
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March 2004 in “Journal of Investigative Dermatology” July 2024 in “Journal of Investigative Dermatology” A peptide in shampoo can promote hair growth and improve hair condition.
August 2010 in “Journal of Investigative Dermatology” New hair regrowth model introduced, imiquimod kills skin cancer cells, T-cadherin loss makes skin cancer more invasive, no strong link between PTCH1 gene and skin cancer after transplant, and male teens more likely to have hereditary hair loss.
July 2003 in “Hair transplant forum international” The document's conclusion cannot be provided because the document is not available for parsing.
28 citations
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March 2011 in “Journal of Investigative Dermatology” Hair follicles help guide nerve growth, improving touch recovery in skin grafts.
13 citations
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October 2004 in “Anais Brasileiros De Dermatologia” The document concludes that compulsive hair disorders, like trichotillomania, are complex and require careful diagnosis and treatment from both psychiatric and dermatological perspectives.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
August 2021 in “Oxford University Press eBooks” New treatments for hair-pulling disorder focus on personalized approaches and combining therapies for better results.