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.
106 citations
,
March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.
86 citations
,
December 2001 in “Experimental dermatology” Mutant mice help researchers understand hair growth and related genetic factors.
85 citations
,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
82 citations
,
May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
81 citations
,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” Effective hair loss treatment in women requires correct diagnosis and can include medications like minoxidil, antiandrogens, and treatments for underlying conditions like PCOS.
66 citations
,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
66 citations
,
April 2002 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
60 citations
,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
42 citations
,
March 2008 in “Molecular and Cellular Endocrinology” Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.
40 citations
,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
38 citations
,
December 2011 in “British Journal of Dermatology” Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
33 citations
,
August 2015 in “F1000Research” New model shows muscle affects hair loss differently in men and women.
25 citations
,
July 2019 in “Experimental Dermatology” Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.
25 citations
,
March 2012 in “Journal of oncology pharmacy practice” An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.
22 citations
,
December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
21 citations
,
January 2005 in “Skinmed” Hair and nails are similar keratin structures with different shapes and growth, affected by the same diseases and environmental factors.
19 citations
,
January 2016 in “Biological & Pharmaceutical Bulletin” Sargassum muticum extract and its component apo-9'-fucoxanthinone may help hair growth and treat hair loss.
19 citations
,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
17 citations
,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
14 citations
,
February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
11 citations
,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
9 citations
,
July 2016 in “The Journal of Dermatology” An 82-year-old man's white hair regained color after taking etretinate for psoriasis.
8 citations
,
July 2012 in “Cambridge University Press eBooks” Androgens can both increase body hair and cause scalp hair loss.
7 citations
,
November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
7 citations
,
September 2017 in “Scientific Reports” Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.
5 citations
,
September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.