520 citations
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February 2001 in “Journal of Clinical Investigation” VEGF helps hair grow and determines follicle size by increasing blood vessel growth.
305 citations
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June 2012 in “Nature” Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.
256 citations
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October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
245 citations
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March 2012 in “Journal of The American Academy of Dermatology” Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.
242 citations
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February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
175 citations
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December 2014 in “PLoS Biology” Macrophages help activate hair follicle stem cells, affecting hair growth and skin repair.
166 citations
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August 2010 in “Proceedings of the National Academy of Sciences of the United States of America” Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.
139 citations
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July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
137 citations
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September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
134 citations
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September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
128 citations
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March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
128 citations
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January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
113 citations
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September 2005 in “Journal of Investigative Dermatology” Applying a special compound can promote hair growth without harmful side effects.
111 citations
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March 1951 in “Annals of the New York Academy of Sciences” Understanding the mouse hair cycle is crucial for cancer research.
98 citations
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February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
95 citations
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July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
77 citations
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
76 citations
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August 2018 in “International Journal of Cosmetic Science” Dermal Papilla cells are a promising tool for evaluating hair growth treatments.
72 citations
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February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
71 citations
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October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
71 citations
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May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
69 citations
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April 2019 in “Biomedicines” PRP and HF-MSCs treatment improves hair growth, thickness, and density in androgenetic alopecia.
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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September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
58 citations
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January 2020 in “International Journal of Molecular Sciences” Different methods of preparing Platelet-Rich Plasma (PRP) can affect wound healing and hair regrowth in plastic surgery. Using a kit with specific standards helps isolate PRP that meets quality criteria. Non-Activated PRP and Activated PRP have varying effects depending on the tissue and condition treated. For hair regrowth, Non-Activated PRP increased hair density more than Activated PRP. Both treatments improved various aspects of scalp health.
57 citations
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November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
54 citations
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January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
53 citations
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January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
53 citations
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May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.