109 citations
,
October 2007 in “American Journal of Human Genetics” Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.
86 citations
,
July 1993 in “Drugs” Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.
1 citations
,
July 2018 in “Elsevier eBooks” Many treatments for hair loss show potential, but more testing is needed to confirm their effectiveness. Only minoxidil for women and minoxidil and finasteride for men are FDA approved.
31 citations
,
April 1999 in “Dermatologic Clinics” Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.
117 citations
,
May 2017 in “Human Reproduction Update” The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
October 2025 in “Frontiers in Artificial Intelligence” "HairSentinel" accurately detects hairfall trends using simple user data, helping identify health risks early.
68 citations
,
April 2002 in “Journal of Alternative and Complementary Medicine” Natural 5AR inhibitors effectively improve mild to moderate hair loss in men.
2 citations
,
January 2022 in “Clinical, Cosmetic and Investigational Dermatology” The refined wash test is a reliable way to measure daily hair loss and can tell the difference between different types of hair loss.
January 2022 in “Open Journal of Endocrine and Metabolic Diseases” Hirsute women have higher testosterone, cholesterol, and glucose levels.
March 2024 in “BMC women's health” The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
44 citations
,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
65 citations
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April 2002 in “Journal of Alternative and Complementary Medicine” Plant extracts effectively reduce hair loss and increase growth, offering a safe alternative treatment.
5 citations
,
January 2020 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” Injecting platelet-rich plasma or applying it with a laser or microneedling can treat hair loss effectively. The laser and microneedling methods cause less pain.
April 2023 in “Tikrit journal of pharmaceutical sciences” Ginger extract helps hair growth and reduces the need for prednisolone in alopecia areata patients.
51 citations
,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
2 citations
,
November 2018 in “International Journal of Cosmetic Science” Chamomile extract can protect hair from damage caused by light.
40 citations
,
January 1996 in “Journal of Dermatological Treatment” Antimicrobial lotion reduces inflammation and increases hair density in hair loss patients.
22 citations
,
September 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” The study's results on the effectiveness of low-dose IL-2 for alopecia areata and its impact on immune cells were not provided.
19 citations
,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
46 citations
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September 2013 in “PLOS ONE” Thyrotropin-Releasing Hormone helps heal wounds in frog and human skin.
11 citations
,
July 2017 in “Regenerative Medicine” The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.
196 citations
,
September 2016 in “JCI insight” Ruxolitinib effectively regrows hair in most patients with severe hair loss.
43 citations
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February 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
49 citations
,
January 2004 in “Dermatology” Men with a family history of hair loss are more likely to experience it themselves, especially if both parents have hair loss.
34 citations
,
March 2003 in “Veterinary Dermatology” Most dogs with alopecia had higher than normal levels of certain hormones, but hair loss might not always be linked to these hormone changes.
32 citations
,
December 2000 in “Phytomedicine” Apple-derived procyanidin B-2 can safely promote hair growth in men.
June 2024 in “Archives of Dermatological Research” SFRP2 and PTGDS may be key factors in female hair loss.
20 citations
,
October 2021 in “PLoS ONE” Newborn skin is uniquely prepared to adapt to new environments compared to adult skin.
14 citations
,
May 2005 in “Farmaco” A method was created in 2005 to identify minoxidil, a hair growth ingredient, in products using two types of capillary zone electrophoresis, and it found that most products had about 2% minoxidil.