117 citations
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March 2017 in “Nature Communications” Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.
117 citations
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September 2013 in “Lasers in Surgery and Medicine” Red light therapy at 655 nm significantly improved hair growth in men with hair loss.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
116 citations
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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.
116 citations
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September 2001 in “Journal of The American Academy of Dermatology” Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.
116 citations
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April 1986 in “The journal of cell biology/The Journal of cell biology” Trichohyalin is a protein in hair follicles that helps form hair filaments.
116 citations
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January 1957 in “Australian Journal of Agricultural Research” Certain hair follicle traits in Merino sheep may be inherited.
115 citations
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September 2012 in “Experimental Dermatology” Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
115 citations
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September 2005 in “International Journal of Dermatology” Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
115 citations
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November 1999 in “Journal of The American Academy of Dermatology” Minoxidil increases hair weight and count temporarily in men with hair loss.
114 citations
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March 2010 in “Zebrafish” PROTO1 and PROTO2 protect against hearing damage.
114 citations
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January 2007 in “Drug Safety” Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.
114 citations
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May 2001 in “Development” Overexpression of Hoxc13 in hair cells causes hair loss and skin issues.
113 citations
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November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
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.
112 citations
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September 2021 in “BMC Biology” Key genes and factors crucial for hair follicle development and wool traits in Merino sheep were identified.
112 citations
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February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
112 citations
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July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
111 citations
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April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
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.
110 citations
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January 2014 in “Journal of Controlled Release” Phospholipid-coated nanoparticles penetrate hair follicles better than others, especially in pig ears.
110 citations
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August 2004 in “British Journal of Dermatology” The ventral matrix is the main source of the nail plate.
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.
109 citations
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June 2000 in “Development” Notch pathway activation causes abnormal hair layer development.
109 citations
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December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
109 citations
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April 1998 in “Journal of Investigative Dermatology” HGF/SF injections can stimulate hair growth and increase hair follicle size in mice.
109 citations
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April 1997 in “Archives of Dermatological Research” Mast cell and nerve fiber interactions in mouse skin change with the hair cycle.
109 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
109 citations
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January 1980 in “Science of the total environment” Analyzing trace elements in human hair is complex and needs a standardized method.