January 2025 in “Mansoura Medical Journal” This study found that topical minoxidil 5% was more effective than cetirizine 1% in improving hair parameters in male androgenetic alopecia, though cetirizine showed promising safety and some efficacy.
December 2024 in “Ukrainian Journal of Dermatology Venerology Cosmetology” This study observed that after 12 weeks of using the nutraceutical Alpenta, women with acute or chronic telogen effluvium experienced significant improvements in hair growth parameters, including increased anagen hair percentage, hair density, and diameter, with high patient satisfaction and good product tolerability reported.
December 2024 in “http://isrctn.com/” MpowerTM may improve hair growth and satisfaction more than plain minoxidil, with mild side effects.
May 2024 in “Lasers in medical science” In this retrospective study, a combined therapy of ablative fractional Er: YAG laser and medication was more effective in treating male androgenetic alopecia than medication alone, without causing serious adverse effects, as evaluated over 24 weeks.
January 2024 in “Journal of Cosmetic Dermatology” This study reported that the 1565 nm non-ablative fractional laser treatment significantly improved various hair growth indices in patients with androgenetic alopecia compared to 5% minoxidil, demonstrating its superior clinical efficacy and safety for treating this condition.
April 2022 in “International Journal of Health Sciences (IJHS)” This study found that combining low-level light therapy with platelet-rich plasma significantly improved hair parameters in men with androgenic alopecia, although most improvements decreased after treatment stopped.
14 citations
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April 2020 in “Journal of Cosmetic Dermatology” In this study, intradermal injections of QR678 were found to significantly reduce hair fall in men with androgenetic alopecia over 6 months, with superior improvements in hair density and thickness compared to PRP.
January 2022 in “Experimental Dermatology” Minoxidil solution and foam both increase hair growth, but the solution works better than the foam.
June 2026 in “IP Indian Journal of Clinical and Experimental Dermatology” This study found that trichoscopic parameters in male androgenetic alopecia deteriorated progressively with increasing disease severity and were significantly linked to genetic, metabolic, and psychosocial factors.
June 2026 in “Russian Journal of Skin and Venereal Diseases” This study evaluated salmon-derived exosomes combined with microneedling as a treatment for androgenetic alopecia, reporting significant improvements in hair density, follicular health, and scalp microenvironment, with no serious adverse events observed in the 20 patients after 12 weeks.
2 citations
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May 2018 in “Journal of The American Academy of Dermatology” This study examined 15 female patients with hypothyroidism to investigate the characterization of their alopecia and ruled out other causes, using medical histories, and clinical, trichoscopic, and histologic findings.
January 2026 in “The FASEB Journal” This upcoming clinical trial at Shenzhen People's Hospital will explore the safety and efficacy of human umbilical cord mesenchymal stem cell-derived small extracellular vesicles as a treatment for androgenetic alopecia in young men, comparing them to minoxidil. Results are not reported yet.
July 2023 in “Research Square (Research Square)” In this study, the application of topical cetirizine 1% once daily for four months in Egyptian male patients with androgenetic alopecia led to a significant increase in terminal hairs and improved hair diversity, with promising safety and efficacy outcomes.
November 2014 in “British Journal of Dermatology” Male hair loss is mainly due to thinner hair, not less hair.
January 2026 in “Journal of Hair Restoration and Regenerative Medicine” This review discusses methods to better identify unsafe donor areas in patients with diffuse unpatterned alopecia, emphasizing non-surgical management when specific diagnostic criteria are met, but reports no new clinical results.
July 2026 in “Journal of the American Academy of Dermatology” The occipital scalp is affected in advanced hair loss, so it shouldn't be used as a control.
January 2023 in “Dermatologic Therapy” In this study, the researchers found that the topical generic 5% new minoxidil foam is as effective and safe as the 5% Rogaine® foam in increasing hair density and diameter in men with androgenetic alopecia over 24 weeks.
May 2026 in “Russian Journal of Skin and Venereal Diseases” This study found that salmon tissue-derived exosomes showed significantly greater improvements in hair density and other parameters compared to platelet-rich plasma in patients with mild to moderate androgenetic alopecia.
March 2024 in “INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH” This study found that platelet-rich plasma therapy may effectively improve hair density and related parameters in men with androgenetic alopecia, with results differing based on specific platelet counts.
2 citations
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August 2017 in “Dermatologic Therapy” This letter to the editor discusses the use of topical cetirizine 1% for treating androgenetic alopecia but reports no new clinical outcomes.
13 citations
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August 1995 in “Australasian Journal of Dermatology” This study found that hair canal and follicle diameters, outer root sheath area, and terminal-to-vellus hair ratios were significantly reduced in androgenetic alopecia patients compared to normal controls.
11 citations
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January 2020 in “Skin appendage disorders” This study reviewed clinical trials and found that low-level laser therapy significantly increased hair diameter or density in both men and women with pattern hair loss compared to a sham device, though the involvement of industry relationships in some studies suggests cautious interpretation.
January 2024 in “Photodiagnosis and Photodynamic Therapy” The study found that combining a 655nm low-level laser helmet with 2% minoxidil resulted in better improvement in hair diameter and intermediate hair enlargement at the midscalp among Chinese women with FPHL.
December 2022 in “JEADV Clinical Practice” In this study, researchers found that using a handheld digital microscope, hair diameter was a better determinant of perceived alopecia severity in androgenetic alopecia than hair density.
39 citations
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March 1987 in “Journal of The American Academy of Dermatology” Topical minoxidil is a safe and effective treatment for hair loss caused by androgenetic alopecia.
1 citations
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December 2022 in “Archives of Dermatological Research” This study reported significant improvements in hair density, diameter, and patient satisfaction after using non-enzymatic stromal vascular fraction treatment for androgenic alopecia over six months.
2 citations
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February 2013 in “Journal of The American Academy of Dermatology” This study found that the cross-section trichometer (HairCheck device) can accurately and sensitively measure hair mass index changes, offering a convenient tool for assessing hair density and diameter in patients with alopecia.
March 2012 in “Journal of The American Academy of Dermatology” This study found that white females with female pattern hair loss had higher hair density in the occipital scalp area, while Asian females had thicker hair diameters in both frontal and occipital areas.
June 2026 in “Journal of Cosmetic Dermatology” This study found that hair mesotherapy containing biomimetic peptides, vitamins, and micronutrients significantly improved hair parameters in patients with androgenetic alopecia and was well-tolerated over an 8-session treatment period.
December 2025 in “Actas Dermo-Sifiliográficas” Bicalutamide may improve hair growth in postmenopausal women with mild side effects.