16 citations
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January 1998 in “Dermatology” Androgens may worsen a natural hair resting phase, possibly leading to hair loss.
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
124 citations
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April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
57 citations
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November 1998 in “Wound Repair and Regeneration” Hair papilla cells can create and regenerate hair bulbs under the right conditions.
419 citations
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March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
February 2003 in “Journal of Cutaneous Medicine and Surgery” Fine hairs improve male pattern baldness treatment, alopecia areata causes remain unknown, and hair can recover from dye damage over time.
1 citations
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March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
20 citations
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
5 citations
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October 2020 in “Experimental dermatology” A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
8 citations
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July 2023 in “Cell stem cell”
72 citations
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December 1996 in “Journal of Investigative Dermatology” Human hair follicles can regenerate after removal, but with low success rate.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
44 citations
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April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
January 2016 in “프로그램북(구 초록집)” Hormones and neuropeptides affect hair growth, with androgens having opposite effects on beard and scalp hair.
October 2021 in “Research Square (Research Square)” Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.
9 citations
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July 2008 in “Archives of Dermatological Research” 43 citations
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November 1988 in “The Journal of Comparative Neurology” Different types of hairs on a rat's hindlimb have varying levels and patterns of nerve innervation.
30 citations
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October 2021 in “Scientific Reports” Inhibiting glycogen metabolism can promote hair growth.
January 1997 in “Fundamental & Clinical Pharmacology” 1 citations
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January 2009 in “Journal of Dermatology and Venereology” Cells from the upper hair follicle grow more actively, suggesting stem cells may be located there.
305 citations
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June 2012 in “Nature” Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.
4 citations
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May 2006 in “médecine/sciences” The hairless gene is crucial for hair health, and its mutations cause hair loss.
19 citations
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October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
6 citations
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August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
27 citations
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June 2023 in “Nature” Senescent melanocytes can boost hair growth by activating hair stem cells.