416 citations
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September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
22 citations
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December 1991 in “PubMed” 24 citations
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November 2003 in “The FASEB Journal” Epimorphin helps start hair growth in mice.
3 citations
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November 2021 in “Frontiers in Medicine” Advanced male pattern baldness affects the back of the scalp, reducing hair follicles.
4 citations
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May 2017 in “Pediatric Dermatology” The study found that Short Anagen Syndrome results in short hair growth not due to hair fragility, and hair may grow longer after puberty.
April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
15 citations
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July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
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.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
2 citations
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October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
4 citations
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January 1997 in “EXPERIMENTAL ANIMALS” Histamine and its enzyme may help start hair regrowth.
February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
210 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
43 citations
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December 2013 in “Seminars in Cell & Developmental Biology” Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Anti-IL-1 treatments might help with certain types of hair loss in people with high inflammation.
13 citations
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August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
35 citations
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July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
February 2021 in “PubMed” A 2-year-old girl had a hair disorder not shared by her identical twin.
24 citations
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March 2011 in “British Journal of Dermatology” Men with hair loss have more DNA changes in back-of-head hair follicles, possibly protecting them from thinning.
June 2025 in “Stem Cell Research & Therapy” Understanding hair growth pathways can lead to better hair loss treatments.
Bone Morphogenetic Proteins (BMPs) are important for hair growth, and their decrease due to hormones could lead to hair loss, but adding more BMPs could promote hair growth.
February 2023 in “Cosmoderma” An infant with complete hair loss was diagnosed with a genetic disorder affecting hair growth.
November 2024 in “Journal of Investigative Dermatology” The research aims to better understand hair follicle regulation and find new treatments for hair loss.
4 citations
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August 2005 in “Archives of Dermatological Research” Higher p63 and CD34 levels found in specific scalp areas may affect hair loss progression.
2 citations
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February 2025 in “Journal of Investigative Dermatology” Progenitor cells randomly decide their roles to maintain hair follicle growth.
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.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
33 citations
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August 1985 in “Archives of Dermatology” Acquired Progressive Kinking of Hair is likely an early sign of male pattern baldness.
1 citations
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August 2002 in “Zeitschrift für Hautkrankheiten” Male androgenetic alopecia involves hair follicle miniaturization due to DHT, with potential treatments using inhibitors and blockers.