May 2023 in “Al-Mağallaẗ al-ʻirāqiyyaẗ li-l-ṣaydalaẗ” High doses of rosemary extract can harm the liver, kidneys, and reproductive organs in young rats.
January 2020 in “Figshare” Finasteride worsens heart damage but reduces cell toxicity caused by nandrolone decanoate.
January 2020 in “Brazilian Journal of Pharmaceutical Sciences” Finasteride worsens heart damage from nandrolone decanoate but protects against cell damage.
April 2024 in “Dermatology reports” Dutasteride is more effective than finasteride for hair regrowth in male and female pattern hair loss, with similar side effects.
15 citations
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June 2014 in “Behavioural Brain Research” Neurosteroids may help metyrapone reduce cocaine addiction.
13 citations
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January 2020 in “Neuroscience” Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.
4 citations
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April 2020 in “medRxiv (Cold Spring Harbor Laboratory)” Men taking 5-alpha reductase inhibitors for prostate issues may be less likely to experience severe COVID-19, but it doesn't prevent ICU admission or death.
January 2009 in “CRC Press eBooks” Androgenetic alopecia, or common baldness, is the main cause of hair loss in men due to shrinking hair follicles from hormones, and it's normal but can be a problem if it's too much or too early.
June 2025 in “Research Square (Research Square)” Stem cell exosome injections can safely improve hair growth and thickness in men with hair loss.
PRP treatment mildly to moderately improves hair loss in most men with AGA.
June 2023 in “Journal of Cosmetic Dermatology” The new follicular unit extraction treatment effectively treats severe hair loss in Asian men, giving natural-looking results with few side effects.
December 2022 in “The Aging Male” Lower 2D:4D ratio and older age increase the risk of severe hair loss in men.
1 citations
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January 2018 in “Journal of Cosmetics, Dermatological Sciences and Applications” Ostrich antibodies helped regrow hair in men with hair loss, but the application needs to be easier.
February 2024 in “Journal of Cosmetic Dermatology” White hair patch repigmented and hair regrew in a balding patient after treatment with exosomes and laser.
September 2023 in “Medicine” Herbal extract spray improved hair growth in a man with hair loss.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
September 2021 in “Medicina estética” Sabal serrulata and biomimetic peptides with microneedling reduced hair loss and improved hair thickness in men with balding.
May 2012 in “Reactions Weekly” A man developed hair loss from testosterone treatment but improved with additional medication.
November 2017 in “Reactions Weekly” Testosterone undecanoate caused hair loss; finasteride improved it but caused stomach issues for one patient.
December 2025 in “JMIR Dermatology” Topical finasteride is well-tolerated and satisfies most users with minimal side effects.
9 citations
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June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
July 2025 in “Arab Board Medical Journal” NF-κB levels can help diagnose and assess the severity of androgenetic alopecia.
July 2024 in “Actas Dermo-Sifiliográficas” Finasteride and dutasteride do not significantly change beard thickness in men.
1 citations
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November 2004 in “Clinical and Experimental Dermatology” Most bald men don't protect their scalp from the sun, and doctors should encourage prevention.
January 2023 in “Sovremennye problemy nauki i obrazovaniâ” Miliacin may help prevent hair loss and improve hair growth in mice with a condition similar to human baldness.
October 2014 in “Aktuelle Dermatologie” Older men with scalp wounds had long-term healing problems after using imiquimod or diclofenac for skin cancer prevention.
December 2025 in “Journal of Skin and Stem Cell” Patients with androgenetic alopecia often have abnormal lipid levels, so they should be screened and advised on lifestyle changes to prevent heart issues.
Most patients were satisfied with topical finasteride, and few experienced side effects.
May 2025 in “International Journal of Trichology” Partially bald areas in Indian AGA patients still have hair growth cells, suggesting early treatment is best.
26 citations
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August 2016 in “Actas Dermo-Sifiliográficas” Frontal Fibrosing Alopecia in men is often missed and can come with symptoms like facial bumps and hair loss on eyebrows and limbs.