March 2026 in “International Journal of Research and Review” This clinical study found that Rosmarinum officinalis mother tincture significantly improved hair volume and density in individuals with diffuse hair loss by enhancing hair parameters measured through a hair shedding visual scale and ponytail thickness test.
August 2022 in “Ad-Dawaa' Journal of Pharmaceutical Sciences” This study found that a combination of H. rosa-sinensis L. and B. racemosa extracts produced the most hair follicles in stress-induced alopecia in male Wistar albino rats.
June 2025 in “Journal of the Faculty of Medicine Baghdad” This study found that Syzygium aromaticum oil may improve the anagen/telogen ratio in testosterone-induced alopecia in mice, indicating potential as an alternative treatment to minoxidil for androgenic alopecia.
105 citations
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June 2010 in “The journal of sexual medicine” In this study, female-to-male transsexuals treated with long-acting testosterone undecanoate experienced an increase in lean mass but no change in fat mass or bone mineral density over 24 months.
51 citations
,
November 1988 in “The Journal of Clinical Endocrinology & Metabolism” This study found that serum 3 alpha-Adiol-G levels in men are significantly associated with chest hair density and acne, indicating its role in reflecting androgen activity in peripheral tissues.
7 citations
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October 2017 in “The Prostate” This study found that male pattern baldness may serve as a clinical marker for circulating sex hormone levels in men with localized prostate cancer, while chest hair density showed no significant hormone association.
October 2023 in “FASEB bioAdvances” This study investigated the effects of Akkermansia muciniphila on testosterone-induced hair growth inhibition in mice, finding that both live and pasteurized forms significantly encouraged hair growth and increased hair follicle size and growth factor levels compared to testosterone treatment alone.
May 2026 in “Malaysian Journal of Medicine and Health Sciences” This study found that in a testosterone-induced androgenetic alopecia mouse model, the combination of PRP-derived small extracellular vesicles and 5% minoxidil significantly improved hair follicle density and the anagen-to-telogen ratio compared to minoxidil alone, suggesting a synergistic effect that enhances hair growth.
13 citations
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January 2014 in “PubMed” In this study, A. capillus-veneris solution demonstrated potential to reduce hair loss and improve hair characteristics in a testosterone-induced alopecia mouse model.
14 citations
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January 1980 in “Dermatology” In this study, oral cyproterone acetate reduced hair density and diameter in women with idiopathic hirsutism, but the effects were not permanent after stopping treatment, and plasma androgen levels remained unchanged.
51 citations
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January 2004 in “Skin Pharmacology and Physiology” This review discusses various techniques for evaluating hair shedding and alopecia but reports no new clinical results. The authors emphasize the value of specific clinical and instrumental methods in assessing hair growth.
25 citations
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August 2016 in “Journal of Cosmetic Dermatology” This study found that a marine complex supplement significantly reduced hair shedding and increased hair growth in men with thinning hair over 180 days.
3 citations
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December 2003 in “Micron” This review discusses recent advancements in hair loss treatments, focusing on androgenetic alopecia, alopecia areata, frontal fibrosing alopecia, and hair transplant technologies, without presenting new research findings.
2 citations
,
January 2022 in “Journal of Cosmetic Dermatology” This study found that intradermal administration of QR678 Neo® significantly reduced hair fall and improved hair growth in patients with androgenetic alopecia and female pattern hair loss, with no side effects reported during long-term follow-up.
This study found that injecting growth factor concentrates into the scalp of five patients with androgenic alopecia led to notable improvements in hair density and quality over eight weeks, with patients reporting satisfaction and minimal side effects.
This study found that DR SKS Hair Growth Booster Serum significantly reduced hair fall and improved hair density in patients with androgenic alopecia over six months, with high patient satisfaction and no major adverse events reported.
In this study, minoxidil combined with PRP was found to effectively increase hair density in women with female pattern hair loss, but showed no superiority over minoxidil alone. No major side effects were reported.
May 2024 in “Journal of Cosmetic and Laser Therapy” This study found that three sessions of injectable platelet-rich fibrin (i-PRF+) significantly improved hair follicle density, hair volume, and thickness, as well as patient satisfaction in women with female pattern hair loss, with only minor self-limited adverse effects reported.
May 2019 in “Journal of Acupuncture Research” This study found that pharmacopuncture and topical application of Sebalgukhwa-san extract improved hair growth, density, and thickness in an alopecia mouse model without affecting liver function.
January 2019 in “Research Square (Research Square)” In this study, researchers will conduct a randomized, double-blind, multi-center clinical trial to assess the effectiveness of YH0618 granule in preventing chemotherapy-induced hair loss among breast cancer patients, aiming to understand its mechanism related to kidney deficiency in Chinese Medicine. Results are not yet reported.
April 2021 in “Journal of Cosmetic Dermatology” Stem cell treatment improved hair density in female hair loss patient.
29 citations
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October 2020 in “eLife” This study using Mendelian randomization in UK Biobank data suggests that lifelong increased free testosterone may have mixed effects, including increased bone density and prostate cancer risk, warranting well-powered trials to address uncertainties.
72 citations
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October 1998 in “Baillière's clinical endocrinology and metabolism” This article discusses the potential effects of exogenous testosterone, highlighting that its impact on prostate cancer progression, cardiovascular health, and behavior remains uncertain and needs further investigation.
7 citations
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September 2014 in “Beni-Suef University Journal of Basic and Applied Sciences” This study found that ethanolic and petroleum ether extracts of Cuscuta reflexa, as well as an isolate from these extracts, improved hair growth and follicle characteristics in androgen-induced alopecia in rats.
3 citations
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August 2021 in “Journal of the American Academy of Dermatology” This study reported that facial hair is a crucial aspect of gender identity and transition for transmen, with a majority dissatisfied with their current facial hair despite testosterone therapy.
2 citations
,
January 2023 in “BioMed Research International” The researchers reported that a 5% Beta vulgaris L. extract nanogel showed better antialopecic activity in testosterone-induced alopecia in mice compared to a 2.5% concentration.
2 citations
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January 2016 in “US Endocrinology” This study found that 27% of women with polycystic ovary syndrome reported perceived scalp hair thinning, which was associated with factors like advancing age, subjective hirsutism, disturbed sleep, smoking, abnormal glucose tolerance, and meal skipping.
April 2025 in “Journal of the International Society of Sports Nutrition” In this study, creatine supplementation over 12 weeks showed no effect on androgen levels or hair follicle health in healthy young males, challenging the belief that creatine causes hair loss.
November 2023 in “International Journal of Cosmetic Science” This study found that a wheat polar lipid complex supplement significantly reduced hair loss and improved hair growth and volume in women experiencing acute hair shedding, including postmenopausal women.
March 2014 in “Medicina cutánea ibero-latino-americana” This review discusses the role of melatonin in skin and hair physiology, highlighting clinical evidence for its potential benefits in treating androgenetic alopecia, but does not report new results.