May 2026 in “Journal of the American Academy of Dermatology” In this study, sublingual minoxidil was found to be a safe and effective treatment for increasing hair growth in transgender individuals with mild androgenetic alopecia who are undergoing full-dose testosterone therapy.
3 citations
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November 2021 in “Clinical, Cosmetic and Investigational Dermatology” In this study, a single application of autologous cellular micrografts showed short-term favorable responses in up to two-thirds of patients with androgenetic alopecia.
8 citations
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May 1987 in “Journal of The American Academy of Dermatology” In this study, ultraviolet light did not significantly enhance or worsen hair growth induced by topical minoxidil in men with male pattern baldness.
April 2024 in “Cognizance journal” In this study, treatment of unwanted hair with 755 nm alexandrite laser in 14 patients showed a decrease in excess hair at the armpit and thigh areas, with a 75% accuracy rate in hair density estimation using Monte Carlo modeling.
April 2024 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study investigates the role of retinoic acid in regulating hair follicle stem cell homeostasis to identify new potential targets for treating androgenetic alopecia.
14 citations
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November 2005 in “Life sciences” This study indicates that vitamin D3 administration may protect rat hair follicles from radiation-induced damage, as evidenced by maintained follicle numbers and increased Vitamin D receptor activity in treated skin.
1113 citations
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August 1999 in “The New England Journal of Medicine” This article discusses the biologic and psychosocial significance of hair, the current limitations in hair growth drugs, and anticipates future therapies based on advancing hair follicle research.
187 citations
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June 1999 in “Journal of The American Academy of Dermatology” This study reported that finasteride 1 mg/day significantly increased hair growth and slowed hair loss in men with frontal scalp hair thinning over one year, and these benefits continued or improved in the second year.
40 citations
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April 2006 in “Journal of the European Academy of Dermatology and Venereology” This study reported that Trichoscan, a computer-assisted hair measurement system, was not supported as accurate for clinical trials due to errors in signal detection, despite its analysis speed.
January 2014 in “Pathology” Non-scarring hair loss can be diagnosed with two 4mm punch biopsies, one cut vertically and the other transversely.
321 citations
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January 2012 in “Cell stem cell” This study identified TGF-β2 as a crucial signal in hair follicle stem cell regeneration, highlighting its role in counteracting BMP signaling to promote tissue regeneration.
March 2021 in “Actas Dermo-Sifiliográficas” This review discusses the scalp microbiome's unique features and its potential role in hair disorders, suggesting that microbiome-targeted treatments could offer new therapeutic options, though no clinical results are reported.
25 citations
,
November 2014 in “British Journal of Dermatology” This study found various ABC transporters are transcribed in human hair follicles, suggesting their possible role in HF biology and potential for new therapeutic interventions.
7 citations
,
January 1990 in “Clinical and Experimental Dermatology” This study observed that without any treatment, hair counts did not increase, suggesting that counting methods are unlikely to explain the 'placebo-effect' seen in previous minoxidil studies.
24 citations
,
May 2013 in “Drug Design Development and Therapy” This pilot study found that a multimodal minoxidil microemulsion with diclofenac and tea tree oil was more effective and safer than minoxidil alone for treating androgenic alopecia over 32 weeks.
214 citations
,
September 2015 in “Stem Cells Translational Medicine” This study found that platelet-rich plasma injections significantly increased hair count and density in patients with male pattern hair loss without major side effects, suggesting it may be a safe and effective treatment option.
136 citations
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February 2017 in “International Journal of Molecular Sciences” This study observed that autologous platelet-rich plasma treatment improved hair count and density in areas with androgenetic alopecia compared to placebo, with differing outcomes based on the PRP collection device used.
2 citations
,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” This study reports that quantitative trichoscopy, while noninvasive and convenient, provides less accurate hair density data compared to invasive histopathologic examination, which was demonstrated in a sample of adult Chinese individuals without alopecia.
1 citations
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March 2019 in “Lasers in Surgery and Medicine” This article contains the late-breaking abstracts from the 39th Annual Conference of the American Society for Laser Medicine and Surgery and does not present new research results.
January 2016 in “Elsevier eBooks” This chapter reviews trichoscopic criteria and diagnostic features for various hair and scalp conditions, emphasizing their utility in non-invasive diagnosis, but reports no new clinical results.
May 2015 in “Journal of The American Academy of Dermatology” This study found that oral minoxidil 5 mg daily significantly improved hair growth in men with androgenetic alopecia, though it may cause minor side effects like hypertrichosis and pedal edema.
2 citations
,
December 2022 in “Journal of toxicologic pathology” This review outlines the histological structures of the skin, highlighting species and regional differences in dermal absorption and obstacles encountered in toxicological assessments due to epidermal thickness variability, contact dermatitis reactions, and stem cell vulnerabilities.
26 citations
,
October 2017 in “Scientific reports” This study found that a bacterial endophyte from Zea nicaraguensis effectively targets and colonizes plant root hair cells, promoting growth and solubilizing insoluble phosphorus for nutrient uptake.
22 citations
,
July 2019 in “PLOS ONE” This study found that lymphatic vessels promote hair follicle growth in mice and may represent new therapeutic targets for hair loss conditions.
24 citations
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September 2020 in “Dermatology and therapy” This study found that low-dose oral minoxidil 5 mg daily significantly increased hair growth in men with androgenetic alopecia over 24 weeks, with increased hair count and vertex area improvement, though most experienced hypertrichosis and some had pedal edema.
31 citations
,
August 2021 in “Stem Cell Research & Therapy” This review examines the life cycle, biomarkers, and functions of hair follicle stem cells, emphasizing their role in hair loss therapy and other skin and hair disorders, but reports no new clinical results.
October 2022 in “BMC genomics” This study investigated adenosine-to-inosine RNA editing in the hair follicle cycle of Tianzhu white yak, identifying numerous editing sites and suggesting their involvement in pathways related to hair growth.
16 citations
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April 2020 in “Dermatology practical & conceptual” This article reviews the use of laser and light-based devices for hair removal, highlighting their effectiveness in significantly reducing hair growth in individuals with fair skin and dark hair, and suggests that photoepilation offers advantages over traditional hair removal methods.
June 2006 in “Experimental dermatology” This study found that, while hair follicle bulge stem cells are important for hair follicle survival and epidermal regeneration after wounding, the epidermis maintains itself independently of these cells under normal conditions.
January 2018 in “Springer eBooks” This review discusses the factors affecting laser hair removal results and adverse events, emphasizing the need for more research to determine optimal treatment parameters; it reports no new clinical findings.