146 citations,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
132 citations,
August 2008 in “Development” Dlx3 is essential for hair growth and regeneration.
128 citations,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
86 citations,
May 2002 in “Journal of comparative neurology” Nerve growth in mouse skin and hair follicles happens in stages and is closely linked to hair development.
85 citations,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
81 citations,
December 2009 in “Journal of Dermatological Science” Fat tissue stem cells may help increase hair growth.
80 citations,
April 2006 in “Clinical Interventions in Aging” Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.
78 citations,
June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
71 citations,
August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.
68 citations,
May 2018 in “PLOS Biology” Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
68 citations,
March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
68 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
65 citations,
July 2006 in “Journal of biological chemistry/The Journal of biological chemistry” The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.
61 citations,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
61 citations,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
58 citations,
March 2019 in “Experimental Dermatology” Exosomes from human skin cells can stimulate hair growth and could potentially be used for treating hair loss.
58 citations,
October 2001 in “Dermatologic Clinics” Hair loss can indicate underlying systemic diseases and addressing these can sometimes reverse the hair loss.
57 citations,
April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor is crucial for starting hair growth after birth.
57 citations,
August 1999 in “Archives of dermatology” Hair follicles grow hair and release it through the skin.
57 citations,
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.
56 citations,
August 1994 in “PubMed” Prolactin and melatonin can stimulate hair growth in Cashmere goat hair follicles, but melatonin may reduce follicle viability over time.
54 citations,
April 2019 in “Journal of cellular physiology” miR-218-5p helps skin and hair growth by targeting SFRP2 and activating a specific signaling pathway.
53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
50 citations,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
48 citations,
June 2013 in “Journal of Dermatological Science” Valproic acid may help hair grow and could be a safe treatment for hair loss.
47 citations,
July 2014 in “European Journal of Pharmaceutics and Biopharmaceutics” Scientists created a gel with nanoparticles to deliver medicine to hair follicles effectively.
46 citations,
January 1996 in “Journal of The American Academy of Dermatology” People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
43 citations,
October 2002 in “International Journal of Cosmetic Science” All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.