159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
125 citations,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
98 citations,
July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
82 citations,
January 2002 in “Journal of drug targeting” Drugs penetrate scalp skin better than abdominal skin, with scalp hair follicles aiding in higher drug delivery.
71 citations,
May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
68 citations,
May 2018 in “PLOS Biology” Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
66 citations,
June 2010 in “Experimental Dermatology” The hair follicle is a great model for research to improve hair growth treatments.
63 citations,
August 2008 in “Journal of Cosmetic Dermatology” Cuscuta reflexa extract may help treat hair loss caused by hormones.
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.
50 citations,
March 2000 in “American Journal of Clinical Dermatology” Alopecia Areata has no guaranteed treatment for hair regrowth, but options like corticosteroids and minoxidil are used, with future research focusing on genetic and immune therapies.
47 citations,
April 2000 in “The American journal of pathology” Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.
46 citations,
September 2016 in “Clinical, Cosmetic and Investigational Dermatology” Hormonal treatments are effective for severe or persistent acne and should be used with other acne therapies, considering potential side effects.
41 citations,
February 2001 in “Current pharmaceutical design” Current and future treatments for alopecia areata focus on immunosuppression, immunomodulation, and protecting hair follicles.
41 citations,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
37 citations,
November 2003 in “Veterinary pathology” Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.
36 citations,
April 2018 in “Journal of Investigative Dermatology” Macrophages help hair growth after injury through CX3CR1 and TGF-β1.
30 citations,
September 2003 in “Experimental Dermatology” Minoxidil helps prevent stress-caused hair loss in mice.
28 citations,
August 2014 in “Journal of Assisted Reproduction and Genetics” The VEGF +405G allele may increase the risk of PCOS in South Indian women.
28 citations,
February 1999 in “Archives of Dermatological Research” Finasteride potentially treats hair loss by reducing DHT production.
26 citations,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
25 citations,
November 2014 in “British Journal of Dermatology” Certain transporters are found in human hair follicles and may affect hair growth and loss.
24 citations,
September 1996 in “Mycoses” Androgenic steroids can slow down or stop the growth of certain skin fungi.
23 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia Areata is an autoimmune disease affecting hair follicles, influenced by genetic and environmental factors, with rodent models being essential for research.
22 citations,
November 2007 in “Journal of Investigative Dermatology Symposium Proceedings” Hair growth and health are influenced by stress and hormones.
20 citations,
June 2010 in “Genes and Immunity” Blood tests can help understand the genetic differences in people with alopecia areata, including how severe it is and if it's inherited.
19 citations,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
19 citations,
March 2003 in “Journal of Investigative Dermatology” Mechlorethamine treatment regrew hair in mice by killing immune cells causing hair loss without harming hair follicles.
18 citations,
April 2021 in “Experimental Dermatology” COVID-19 may cause hair loss and scalp pain due to inflammation and changes in hair follicle receptors, but these symptoms typically resolve in 2 to 4 months.