98 citations
,
November 2002 in “Contact Dermatitis” Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
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.
51 citations
,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
23 citations
,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
October 2025 in “Dermatology and Therapy” Nutrafol® nutraceuticals improve hair thickness and strength.
May 2024 in “Medicine today” Older age, family history, and low iron levels increase the risk of female hair loss.
Stress significantly contributes to hair loss, especially in women and those aged 31-40.
40 citations
,
June 2009 in “Journal of Cutaneous Pathology” AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
11 citations
,
December 2014 in “Clinical Obstetrics and Gynecology” Obstetrician/gynecologists can diagnose and manage female hair loss with careful history taking and examination.
7 citations
,
March 2019 in “Medicine” Combining light therapy and microneedling shows promise for treating female hair loss.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
March 2012 in “EFSA Journal” Iron intake has not been proven to maintain normal hair growth.
September 2025 in “International Journal of Science and Research (IJSR)” Stress causes hair loss by disrupting hair growth cycles, and combining medical and cosmetic treatments can help manage it.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
136 citations
,
May 2019 in “Cells” Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.
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.
87 citations
,
March 2011 in “Australasian Journal of Dermatology” Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.
86 citations
,
July 2002 in “Clinical and Experimental Dermatology” FPHL is a common, age-related, genetic hair loss with unclear causes and limited treatment options.
74 citations
,
April 2005 in “Dermatologic Clinics” Minoxidil and finasteride are effective for male hair loss, minoxidil for female hair loss, and various treatments like corticosteroids work for alopecia areata; treatment should be tailored to the individual.
70 citations
,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
59 citations
,
August 1998 in “International Journal of Dermatology” Genetics and hormones cause hair loss; finasteride treats it safely.
50 citations
,
December 2020 in “Bioactive Materials” Wound dressing absorbs fluid, regenerates hair follicles, and heals skin burns.
48 citations
,
January 2018 in “Scientific Reports” Hair analysis can reveal metabolic changes and potential pregnancy complications.
40 citations
,
December 2016 in “Journal of Dermatological Treatment” JAK inhibitors show promise for treating skin and hair disorders but need more research on long-term safety and effectiveness.
36 citations
,
June 2018 in “Journal of Dermatology” Use finasteride, dutasteride, and minoxidil for hair loss treatment.
33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
29 citations
,
May 2010 in “Annals of Pharmacotherapy” Finasteride may help some women with hair loss, but better options exist.
27 citations
,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
24 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” Hair restoration surgery can have complications; success depends on patient education, careful planning, and proper execution.