99 citations,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
98 citations,
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.
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98 citations,
December 2003 in “The FASEB Journal” Thymosin β4 promotes hair growth by activating stem cells in hair follicles.
97 citations,
March 2002 in “Molecular and cellular biology” Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.
96 citations,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
92 citations,
August 2017 in “Proceedings of the National Academy of Sciences of the United States of America” Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.
91 citations,
April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
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,
January 2016 in “Development” Blocking β-catenin in skin cells improves hair growth during wound healing.
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.
87 citations,
March 2005 in “Journal of Dermatological Science” Asiasari radix extract promotes hair growth and increases protein synthesis and cell proliferation.
86 citations,
August 2014 in “Journal of The American Academy of Dermatology” To diagnose hair loss, use a systematic approach including history, exams, and tests.
84 citations,
January 2018 in “Biomaterials Science” Sericin hydrogels heal skin wounds well, regrowing hair and glands with less scarring.
84 citations,
February 2013 in “Clinica chimica acta” Hair mineral analysis might help diagnose diseases early, but standard methods are needed.
83 citations,
June 2020 in “Materials & Design” Sponge helps heal wounds faster with less inflammation and better skin/hair growth.
83 citations,
March 2015 in “International Journal of Dermatology” ADSC-CM treatment improved hair density and thickness in women with hair loss, safely and effectively.
83 citations,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
82 citations,
May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
81 citations,
July 2011 in “Lasers in Medical Science” The Lexington LaserComb helped regrow hair in mice with a condition similar to human hair loss.
81 citations,
February 1997 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by activating PGHS-1.
80 citations,
September 1984 in “Journal of The American Academy of Dermatology” 5% minoxidil helps hair regrowth in androgenic alopecia.
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79 citations,
March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Procyanidin compounds from grape seeds were found to significantly increase mouse hair growth.
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.
77 citations,
January 2015 in “International Journal of Biological Macromolecules” Chitosan nanoparticles improve minoxidil delivery to hair follicles for better alopecia treatment.
76 citations,
December 2006 in “Journal of Dermatological Science” Japanese women typically start experiencing hair loss after 40, with reduced hair density and thickness being the main factors.
76 citations,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
75 citations,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
75 citations,
March 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.
73 citations,
August 2011 in “Stem Cell Research” Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.