21 citations
,
May 2005 in “Journal of the American Veterinary Medical Association” The exact cause of growth hormone-responsive alopecia in dogs is unclear.
109 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
76 citations
,
August 2018 in “International Journal of Cosmetic Science” Dermal Papilla cells are a promising tool for evaluating hair growth treatments.
33 citations
,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
29 citations
,
August 2017 in “Skin appendage disorders” IGF-1 may affect hair growth and loss, but more research is needed to confirm effective and safe treatments.
21 citations
,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
20 citations
,
January 2019 in “Journal of dermatological science” Male hormones indirectly affect skin cell development by increasing growth factor levels from skin fibroblasts.
13 citations
,
June 2006 in “Pituitary” A woman with acromegaloidism and normal growth hormone levels had a rare X-Tetrasomy, suggesting a need to study X-chromosome genes for their role in growth and facial development.
9 citations
,
June 2014 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” Blood AMH levels are higher in women with PCOS than in those with other similar conditions.
6 citations
,
January 2020 in “Postepy Dermatologii I Alergologii” Check and treat low iron and vitamin D levels in people with hair loss.
6 citations
,
September 2019 in “Journal of cosmetic dermatology” Lower melatonin levels are linked to more skin aging.
4 citations
,
January 2017 in “Annals of Dermatology” Tianeptine may help prevent hair loss by promoting hair growth and reducing cell death.
1 citations
,
September 2016 in “Springer eBooks” Sebum production varies by individual and is influenced by age, gender, and hormones, affecting skin and hair health.
1 citations
,
June 2016 in “Yāftah/hā-yi nuvīn dar ̒ulūm-i zīstī” Sheep testis extract significantly improves wound healing and hair growth in rats.
December 2025 in “Cureus” Low serum ferritin is linked to hair loss in women.
October 2025 in “Pakistan Journal of Health Sciences” Low serum ferritin is linked to hair loss in women.
May 2024 in “World Journal Of Advanced Research and Reviews” Low iron levels are strongly linked to chronic hair loss in women.
February 2024 in “Malahayati Nursing Journal” High androgen levels can cause hirsutism and increase inflammation.
June 2023 in “Journal of chemical metrology” A new method found unlisted drugs in two popular hair serums, posing a health risk.
May 2023 in “Bali Medical Journal” Higher sebum levels are linked to more severe male baldness.
January 2023 in “Journal of orthopedics & bone disorders” Platelet-rich plasma may not be very effective for bone healing and hair growth due to a substance it contains that blocks these processes.
June 2019 in “Journal of Akhtar Saeed Medical & Dental College” Prolactin levels are higher in women with hirsutism but don't relate to its severity.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” M2 macrophages help hair regrowth in wounds by making growth factors.
September 2010 in “European Urology Supplements” Opioid use may lower PSA levels, suggesting a possible role in prostate cancer control; PSA testing is useful for detecting prostate cancer; serum triglycerides are not linked to prostate cancer risk; and higher urethral PSA levels may be associated with local hormone activity.
A bald man grew hair on his head after taking a drug called diazoxide, but lost it again when he stopped the medication.
3 citations
,
October 2009 in “Iranian Journal of Basic Medical Sciences” Buxus wallichiana extract improves hair growth and has antioxidant properties, with oral use more effective than topical.
2 citations
,
January 1960 in “Australian Journal of Biological Sciences” The Naked gene in mice causes abnormal sebaceous glands and disrupts hair follicle organization.
34 citations
,
February 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride and minoxidil together promote hair growth better than either alone.
March 1998 in “Journal of dermatological science” Diphencyprone initially increases mouse hair growth, then slows it, possibly due to changes in specific protein levels.
136 citations
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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.