November 2005 in “NEJM Journal Watch” Hair count is important to distinguish between genetic hair thinning (Androgenetic Alopecia) and hair thinning caused by disrupted hair growth (Chronic Telogen Effluvium).
July 2026 in “Dermatology and Therapy” In this study, women experiencing hair thinning who consumed tailored botanical-based nutraceuticals saw significant increases in linear hair growth rate and other hair health parameters over 90 and 180 days, supporting their effectiveness across different life stages.
March 2025 in “Nepal Journal of Dermatology Venereology & Leprology” This study observed that Nepalese dermatologists commonly manage telogen effluvium with counseling and supplements, despite the lack of a consensus management guideline.
4 citations
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February 2022 in “Journal of Cosmetic Dermatology” This study found that patients with telogen effluvium had a higher rate of acute hair loss and lower monocyte counts if they had contracted COVID-19 prior to hair loss onset.
3 citations
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June 1979 in “The Journal of Dermatology” This study found that the dermal glycosaminoglycan content and mast cell count in rats peaked during the anagen stage of hair growth and decreased during later stages.
31 citations
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August 2001 in “PubMed” This study found that the TrichoScan method detected significant increases in hair counts and cumulative hair thickness in men after finasteride treatment, suggesting its potential for monitoring hair treatment responses.
December 2025 in “Lasers in Medical Science” This study found that combining photobiomodulation therapy with minoxidil significantly improved hair quality and reduced telogen-phase hair counts more effectively than minoxidil alone in women with female pattern hair loss over a shorter 12.5-week period.
April 2025 in “Düzce Tıp Fakültesi Dergisi” In this study, researchers examined vitamin D levels and blood count parameters in children and adolescents with non-scarring alopecia, finding significant vitamin D deficiency but no significant differences in deficiency or insufficiency across different types of alopecia.
May 2023 in “Journal of Cosmetic Dermatology” This prospective randomized controlled trial found that combining platelet-rich plasma plus basic fibroblast growth factor injections with topical minoxidil significantly improves hair count and growth rate in androgenetic alopecia patients compared to either treatment alone.
35 citations
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January 1993 in “International Journal of Dermatology” In this study, most hair disorders among HIV-1 positive patients were associated with low helper T cell counts, with papulosquamous conditions like seborrheic dermatitis and psoriasis being the most common.
28 citations
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December 2002 in “Der Hautarzt” TrichoScan accurately measures hair growth and loss, showing increased hair counts and thickness with treatment.
10 citations
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January 2013 in “Journal of The European Academy of Dermatology and Venereology” In this study, a square pulse, low-fluence IPL device used at home significantly reduced terminal hair count by 87% six months post-treatment, with evidence of hair miniaturization similar to professional laser treatments.
7 citations
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December 2010 in “대한의생명과학회지” In this study using C57BL/6N mice, the researchers found that skin thickness, mast cell counts, and immunoreactive density of certain cytokines increased at various stages of hair follicle growth following depilation.
November 2025 in “SKIN The Journal of Cutaneous Medicine” This review highlights the potential benefits of low-level light therapy for treating various alopecias, with reported improvements in hair density and count, especially when combined with minoxidil or finasteride, but it offers no new clinical results.
August 2025 in “Archives of Dermatological Research” In this randomized controlled trial, oral minoxidil at 2.5 mg daily was more effective than topical minoxidil for increasing hair thickness, counts, and density in men with androgenetic alopecia, demonstrating more significant improvements and better compliance over six months.
January 2023 in “Journal of Veterinary and Animal Sciences” In this study of dogs with mucocutaneous lesions caused by various dermatological conditions, the researchers observed notable changes in haemato-biochemical parameters and trichographic features, including anaemia, elevated platelet counts, and significant telogen phase hair involvement.
10 citations
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October 2018 in “Dermatologic Therapy” In this study, researchers tested lotions containing DGLA, S-equol, and propionyl-l-carnitine on individuals with androgenic alopecia, noting a significant increase in hair count for women and a marginal increase for men after 6 months, along with improved hair cycle dynamics.
5 citations
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January 2018 in “Italian journal of dermatology and venereology” This study discusses that while the precise mechanism of minoxidil is not fully understood, its efficacy in stimulating hair growth and treating androgenetic alopecia is well-supported, with evidence showing it increases hair count and hair follicle size in treated patients.
1 citations
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July 2002 in “Clinical and Experimental Dermatology” The document concludes that understanding hair loss and its psychological impact is crucial for physicians to provide effective counseling and treatment to patients.
May 2026 in “Dermatologic Surgery” This study reports conflicting evidence on whether GLP-1 receptor agonists are associated with various forms of alopecia, suggesting dermatology practitioners should consider monitoring and counseling patients using these medications.
April 2026 in “International Journal of Current Pharmaceutical Review and Research” This study concluded that Growth Factor Concentrate was more effective than Platelet-Rich Plasma in enhancing hair growth and patient satisfaction for individuals with androgenic alopecia and telogen effluvium, while maintaining similar safety.
December 2014 in “Turk Dermatoloji Dergisi” This study found that a hair lotion containing saw palmetto and 10% trichogen veg complex increased total hair count in male patients with androgenetic alopecia over four months, though observer assessments varied.
70 citations
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January 2015 in “Journal of Clinical and Diagnostic Research” This review discusses the various triggers and diagnostic challenges in determining the cause of telogen effluvium-related hair loss, without providing new clinical results.
April 2012 in “Informa Healthcare eBooks” Telogen effluvium is a common hair loss condition where many hairs enter the resting phase, often not noticeable until significant loss occurs, and treatment focuses on the underlying cause.
9 citations
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January 2017 in “International Journal of Trichology” This study suggests that mast cells may play a role in stress-related hair loss associated with telogen effluvium.
1 citations
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May 1976 in “Archives of Dermatology” This report indicates that crash dieting followed by substantial weight loss may lead to hair loss, known as telogen effluvium.
January 2001 in “대한피부과학회지” This study suggests that morphometric analysis using horizontal sectioning of scalp biopsies is effective for diagnosing alopecia in Koreans, but follicular count differences from Caucasians should be considered.
45 citations
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October 2009 in “Dermatology” This study observed that long-term recombinant interferon alpha-2b therapy was associated with considerable hair loss in some patients, indicated by a telogen effluvium pattern on trichograms.
10 citations
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April 1976 in “Archives of Dermatology” This case report describes a 36-year-old woman experiencing telogen effluvium, noting her recent rapid weight loss and injections of chorionic gonadotropin as potential contributing factors.
11 citations
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May 1976 in “Archives of Dermatology” This report describes a case of probable telogen effluvium associated with stress and recent relocation, contributing to evidence of hair loss linked to weight reduction programs.