159 citations,
October 2015 in “Science Advances” Blocking JAK-STAT signaling can lead to hair growth.
147 citations,
January 2014 in “American Journal of Clinical Dermatology” Laser device increases hair density, safe for treating hair loss in men and women.
137 citations,
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.
116 citations,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
103 citations,
November 2014 in “Journal of Cell Biology” MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.
102 citations,
August 2008 in “Genes & Development” Laminin-511 is crucial for early hair growth and maintaining important hair development signals.
96 citations,
September 2017 in “Analytica Chimica Acta” Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
96 citations,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
96 citations,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
92 citations,
September 2019 in “ACS nano” A wearable device using electric stimulation can significantly improve hair growth.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
89 citations,
August 2008 in “Human genetics” The EDAR gene greatly affects hair thickness in Asian populations.
87 citations,
April 2018 in “Biochemical and Biophysical Research Communications” Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
87 citations,
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.
85 citations,
December 1990 in “Journal of Investigative Dermatology” Minoxidil promotes hair growth in women with early-stage alopecia.
81 citations,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
81 citations,
February 1997 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by activating PGHS-1.
78 citations,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
78 citations,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
77 citations,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
73 citations,
September 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
71 citations,
June 2001 in “American Journal of Pathology” The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
69 citations,
April 2019 in “Biomedicines” PRP and HF-MSCs treatment improves hair growth, thickness, and density in androgenetic alopecia.
66 citations,
April 2002 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss.
65 citations,
November 2012 in “Tissue Engineering Part B-reviews” Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.
64 citations,
January 2015 in “BioMed Research International” Certain growth factors can promote hair growth in mice by activating hair growth-related proteins.
61 citations,
December 2016 in “The EMBO Journal” The study showed that hair follicle stem cells can maintain and organize themselves in a lab setting, keeping their ability to renew and form hair and skin.
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.
59 citations,
August 2010 in “Journal of The American Academy of Dermatology” Certain hairstyles and less hair oil use in African American girls can lead to scalp conditions like traction alopecia and seborrheic dermatitis.