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.
75 citations,
December 2011 in “British Journal of Dermatology” Female pattern hair loss can be treated with medications, surgery, and cosmetic products, considering its psychological impact.
75 citations,
August 2011 in “Journal of Investigative Dermatology” Forming spheres boosts the ability of certain human cells to create hair follicles when mixed with mouse skin cells.
75 citations,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
75 citations,
August 2003 in “International journal of cosmetic surgery and aesthetic dermatology” The HairMax LaserComb made hair grow more and get stronger for people with hair loss.
74 citations,
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.
74 citations,
October 1998 in “Journal of biological chemistry/The Journal of biological chemistry” The 190-kbp domain contains all human type I hair keratin genes, showing their organization and evolution.
74 citations,
January 1998 in “Dermatology” Men who think they are losing hair feel worse about themselves, especially if they are younger.
73 citations,
April 2019 in “Experimental Dermatology” The scalp's microorganisms significantly affect hair health and disease.
73 citations,
December 2015 in “Nature Genetics” Mutations in TBX3 cause horses to have more even hair color instead of Dun camouflage.
73 citations,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
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.
73 citations,
March 2010 in “Food and Chemical Toxicology” Zizyphus jujuba essential oil can promote hair growth.
73 citations,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.
73 citations,
June 2006 in “Animal genetics” The FGF5 gene determines hair length in dogs.
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.
73 citations,
June 2003 in “Journal of the American Academy of Dermatology” Dermatologists need to understand African American hair-care practices to better treat their hair and scalp disorders.
73 citations,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
73 citations,
November 2000 in “Proceedings of the National Academy of Sciences of the United States of America” There are two ways to start hair growth: one needs Stat3 and the other does not, but both need PI3K activation.
73 citations,
April 1999 in “Dermatologic Clinics” Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.
72 citations,
November 2017 in “Journal of developmental biology” The Hedgehog signaling pathway is important for skin and hair growth and can lead to cancer if it doesn't work right.
72 citations,
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.
72 citations,
October 2010 in “Journal of The American Academy of Dermatology” Iron deficiency common in women, not always linked to hair loss; more research needed.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
72 citations,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
72 citations,
June 2001 in “Journal of Investigative Dermatology” S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.
72 citations,
December 1996 in “Journal of Investigative Dermatology” Human hair follicles can regenerate after removal, but with low success rate.