115 citations
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November 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
109 citations
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October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
107 citations
,
September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
101 citations
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January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
98 citations
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April 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.
93 citations
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June 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
87 citations
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May 2011 in “Australasian Journal of Dermatology” Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.
83 citations
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December 2001 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.
82 citations
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September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
78 citations
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January 2013 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
74 citations
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July 2018 in “Cell death and disease” Restoring mitochondrial function in mice reversed their skin wrinkling and hair loss.
74 citations
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January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
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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January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
70 citations
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April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
64 citations
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January 2015 in “BioMed Research International” Certain growth factors can promote hair growth in mice by activating hair growth-related proteins.
61 citations
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June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
59 citations
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August 1998 in “International Journal of Dermatology” Genetics and hormones cause hair loss; finasteride treats it safely.
53 citations
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July 2010 in “PubMed” Spironolactone helps regrow hair in women with hair loss.
53 citations
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July 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
52 citations
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April 2013 in “Developmental Cell” Brg1 is crucial for hair growth and skin repair by maintaining stem cells and promoting regeneration.
51 citations
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February 2007 in “Animal Genetics” The gene for slick hair in Senepol cattle is located on chromosome 20 and may involve the SRD5A2 gene.
50 citations
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August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
49 citations
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July 2019 in “The Journal of Clinical Endocrinology and Metabolism” Use "female pattern hair loss" term, assess androgen excess, treat with minoxidil and other medications if needed.
46 citations
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April 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
46 citations
,
May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
45 citations
,
July 2009 in “Journal of human genetics” A gene variation is linked to hair thickness in Asians.
44 citations
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September 2019 in “The EMBO Journal” Lymphatic vessels are essential for hair follicle growth and skin regeneration.
44 citations
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March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
42 citations
,
March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.