April 2026 in “Frontiers in Veterinary Science” Male cats have higher stress levels than females.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
January 2019 in “Springer eBooks” Some chemicals and drugs can cause hair loss, which usually grows back after stopping the treatment.
236 citations
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July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
187 citations
,
June 1999 in “Journal of The American Academy of Dermatology” Finasteride effectively treats frontal hair loss with few side effects.
129 citations
,
October 2000 in “British Journal of Dermatology” Finasteride helps increase hair growth in men with hair loss.
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.
70 citations
,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
69 citations
,
August 2014 in “Journal of The American Academy of Dermatology” Trichoscopy is a quick, cost-effective tool for diagnosing different hair loss conditions.
68 citations
,
November 2012 in “Journal of Investigative Dermatology” Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.
62 citations
,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
58 citations
,
September 2012 in “Dermatologic Clinics” Male pattern hair loss caused by follicular miniaturization; early diagnosis and treatment can reduce psychological burden.
57 citations
,
February 2013 in “Journal of Dermatological Science” Improving the environment and cell interactions is key for creating human hair in the lab.
54 citations
,
December 2014 in “Wound Repair and Regeneration” PRP injections may improve hair thickness and density in female hair loss patients.
49 citations
,
February 2019 in “The Journal of Clinical Endocrinology and Metabolism” Use "female pattern hair loss" term, assess androgen excess, treat with minoxidil and other medications if needed.
47 citations
,
August 2011 in “Journal of The European Academy of Dermatology and Venereology” Laser treatment increases hair density and thickness safely in women with hair loss.
44 citations
,
September 2012 in “Archives of Dermatology” Hair breakage may be an early sign of a hair loss condition called CCCA in African American women.
40 citations
,
May 2012 in “British Journal of Dermatology” Recognizing specific features of African-American hair can help diagnose hair loss conditions.
39 citations
,
December 2011 in “PLoS ONE” Radiofrequency exposure can stimulate hair growth by increasing IGF-1 in hair follicle cells.
39 citations
,
March 2007 in “Journal of Cosmetic Dermatology” Dutasteride helps slow hair loss and boosts hair growth.
37 citations
,
February 2014 in “Journal of Dermatology” Valproic acid increases hair count in men with hair loss.
36 citations
,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
33 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
32 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Most women preferred the 1% pyrithione zinc shampoo for better hair smoothness and less frizz while controlling dandruff.
28 citations
,
March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
27 citations
,
May 2017 in “Marine Drugs” Undariopsis peterseniana extract helps hair grow by activating certain cell growth pathways and could be a new treatment for hair loss.
25 citations
,
September 2018 in “Scientific Reports” Morroniside may help hair grow and stay in its growth phase by affecting certain cell signals.
25 citations
,
August 2015 in “Journal of cosmetic dermatology” African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
24 citations
,
January 2006 in “Skin Pharmacology and Physiology” Finasteride reverses early hair loss and promotes growth.
22 citations
,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.