98 citations,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
98 citations,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
95 citations,
July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
91 citations,
January 2009 in “International Journal of Trichology” Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
83 citations,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
82 citations,
September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
81 citations,
April 2009 in “Journal of Investigative Dermatology” Hair shedding is an active process that could be targeted to treat hair loss.
81 citations,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
78 citations,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
77 citations,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
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.
71 citations,
January 2019 in “International journal of biological sciences” Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.
70 citations,
February 2015 in “Expert Opinion on Drug Discovery” Topical drugs and near-infrared light therapy show potential for treating alopecia.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
65 citations,
November 2012 in “Tissue Engineering Part B-reviews” Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.
63 citations,
October 2013 in “Dermatologic Surgery” Platelet-Rich Plasma (PRP) increases the number of new hair follicles and speeds up hair formation.
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.
63 citations,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
62 citations,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
61 citations,
June 2014 in “Scientific Reports” Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.
60 citations,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
59 citations,
July 2020 in “Journal of The American Academy of Dermatology” Oral minoxidil promotes hair growth but may cause side effects; needs monitoring.
59 citations,
March 2020 in “Journal of Biomedical Science” Understanding how hair follicle stem cells work can help find new ways to prevent hair loss and promote hair growth.
56 citations,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
54 citations,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
54 citations,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
54 citations,
June 1985 in “American Journal of Dermatopathology” Minoxidil helps grow longer, thicker hair in bald scalps of stumptailed macaques, and early treatment is more effective.
53 citations,
April 2018 in “Journal of The American Academy of Dermatology” Cancer treatments often cause hair disorders, significantly affecting patients' quality of life, and better management methods are needed.
53 citations,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
52 citations,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.