January 2022 in “Figshare” Activated PRP is unnecessary for treating alopecia areata; both activated and non-activated PRP are equally effective and safe.
January 2022 in “Figshare” Dexamethasone increases androgen receptor activity in scalp cells, which might explain stress-related hair loss.
January 2021 in “Figshare” Metformin helps regenerate hair follicles in lab conditions.
January 2021 in “Figshare” Botulinum toxin may be helpful for treating male pattern baldness.
Women with hair loss may benefit from higher iron levels.
Low-dose oral minoxidil effectively treats hair loss with good tolerance.
August 2020 in “OPAL (Open@LaTrobe) (La Trobe University)” 
April 2020 in “Food Research” The document discusses various topics including the use of plant derivatives for hair loss, potential food additives, antioxidant properties of different extracts, and the study of bacteria on stainless steel surfaces.
January 2020 in “Figshare” The study explored a possible link between finasteride use and suicide.
RCS-01 cell therapy is safe and improves skin gene expression.
January 2019 in “Figshare” Intralesional corticosteroids are best for mild alopecia areata, and DPCP is best for severe cases.
January 2018 in “Figshare” Curcuma aeruginosa extract lotion effectively reduces underarm hair growth.
January 2018 in “Figshare” Horizontal sections of scalp biopsies are useful for telling the difference between Androgenetic Alopecia and Alopecia Areata.
January 2018 in “Figshare” Ruxolitinib and tofacitinib are effective and safe for treating severe alopecia areata.
January 2017 in “OPAL (Open@LaTrobe) (La Trobe University)” Collagen peptides may boost skin and hair-related gene expression.
Collagen peptides may boost skin and hair-related gene expression.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
Activin B helps start and grow hair follicles in mice.
Some supplements may help reduce side effects of cancer treatments in pets.
November 1941 in “Clinical and Experimental Dermatology” 
The number of CAG repeats in the androgen receptor gene doesn't significantly affect female pattern hair loss in the Han Chinese population.
140 citations
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January 2021 in “Journal of the International Society of Sports Nutrition” Creatine is safe, not a steroid, and boosts muscle and performance without causing kidney damage or hair loss.
92 citations
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November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
71 citations
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June 2008 in “Annals of Internal Medicine” Excessive selenium from supplements can be harmful.
67 citations
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January 2007 in “Environmental health perspectives” A woman's health issues were caused by arsenic poisoning from kelp supplements.
65 citations
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January 2009 in “Annals of Dermatology” Zinc supplements increased zinc levels in some hair loss patients but didn't significantly improve hair growth.
55 citations
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November 2019 in “Cellular and Molecular Gastroenterology and Hepatology” Biotin may help treat inflammatory bowel disease by reducing inflammation and improving gut health.
47 citations
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December 2006 in “Therapy” The dietary supplement helped increase hair growth in women with hair loss.