117 citations,
March 2017 in “Nature Communications” Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.
108 citations,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
103 citations,
November 2014 in “Journal of Cell Biology” MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.
101 citations,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
98 citations,
May 2008 in “Archives of Dermatological Research” Eclipta alba extract helps hair grow faster and more effectively than minoxidil in rats.
80 citations,
December 2017 in “International Journal of Dermatology” Low-dose oral minoxidil and spironolactone combo effectively reduces hair loss and improves hair density in women.
78 citations,
January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
77 citations,
April 2009 in “British Journal of Dermatology” Aromatase gene variation may increase female hair loss risk.
76 citations,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
70 citations,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
67 citations,
May 2007 in “Journal of Cosmetic Dermatology” The herbal formulation promoted hair growth faster and more effectively than minoxidil in rats.
63 citations,
September 2009 in “Regenerative Medicine” Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.
61 citations,
September 2020 in “Bioactive Materials” A special dressing called FEA-PCEI can speed up wound healing, reduce scars, and help grow new hair follicles, but only at the right dosage.
61 citations,
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.
60 citations,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying a specific inhibitor lightens skin and hair color.
59 citations,
July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.
58 citations,
February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
56 citations,
June 2015 in “Nature Protocols” Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.
53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
50 citations,
September 2016 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride for hair loss may cause persistent sexual symptoms, depression, anxiety, and lower quality of life.
44 citations,
March 2016 in “Frontiers in cellular neuroscience” Some natural compounds can protect fish ear cells from damage by certain antibiotics without affecting the antibiotics' ability to fight infections.
42 citations,
July 2014 in “Journal of biological chemistry/The Journal of biological chemistry” Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.
41 citations,
October 2008 in “The American journal of pathology” Blocking a specific protein signal can make hair grow on mouse nipples.
40 citations,
January 2013 in “Journal of Korean Medical Science” Iron deficiency may contribute to hair loss.
40 citations,
October 2012 in “British Journal of Dermatology” Minoxidil helps regrow hair in female pattern hair loss, but more research needed for other treatments.
40 citations,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
39 citations,
August 2018 in “Scientific reports” Claudin-1 is important for the barrier function and growth of hair.
36 citations,
June 2018 in “Journal of Dermatology” Use finasteride, dutasteride, and minoxidil for hair loss treatment.
36 citations,
February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
36 citations,
April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.