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This article reviews major types of genetic hair shaft defects and associated syndromes, emphasizing understanding histologic features and diagnostic methods, but reports no new clinical findings.

This review offers evidence-based recommendations for diagnosing and treating female pattern hair loss, emphasizing clinical assessment and starting treatment with minoxidil, while noting that measurement of certain hormones and vitamins is optional.

This study found that JunB, a transcription factor, is crucial for maintaining epidermal-pilosebaceous stem cell homeostasis by regulating progenitor cell behavior and preventing sebaceous gland dysfunction.

This article reviews the classification, diagnosis, and management of hair disorders, emphasizing the role of trichoscopy and early diagnosis for effective treatment but reports no new clinical findings.

This review discusses the physiopathology of androgenetic alopecia and evaluates various traditional and emerging treatments, reporting no new clinical results but highlighting the need for enhanced treatment strategies.

This research suggests that testosterone-induced expression of TGF-beta1 and type I procollagen may lead to perifollicular fibrosis in androgenetic alopecia, with finasteride inhibiting this process as a possible mechanism for its effects.

This review summarizes the genetic studies on female pattern hair loss, highlighting the lack of clearly identified susceptibility loci and suggesting distinct aetiological differences from male pattern hair loss.

The study found that exposing Arbas Cashmere goats to a short photoperiod significantly increased cashmere production by extending the anagen phase of hair follicles, with gene expression changes identified as contributing factors.

This article reviews how various drugs may cause hair loss, stimulate growth, or alter hair characteristics, but reports no new clinical results; drug-induced hair loss is typically reversible.

This study found that higher BMI was significantly associated with more severe hair loss in men with male-pattern and early-onset androgenetic alopecia.

This review examines the epidemiology, pathogenesis, clinical manifestations, and diagnosis of female pattern hair loss and reports no new results.

This review examines various androgen deprivation therapy methods for advanced prostate cancer, highlighting benefits and potential cardiovascular and sexual adverse effects, but reports no new clinical results.

This article reviews advancements in hair restoration, highlighting improvements in surgical techniques and patient satisfaction, but reports no new clinical results.

This review examined studies on erectile dysfunction and 5 alpha-reductase inhibitors, concluding that these drugs do not significantly cause erectile dysfunction and emphasizing testosterone's importance over dihydrotestosterone in erectile function.

This review presents an objective analysis of female androgenetic alopecia, discussing clinical and dermoscopic examination approaches but reports no new clinical findings.

In this study, dogs with hair cycle disorders, especially those with alopecia X, showed a significant increase in the number of kenogen follicles, suggesting impaired induction of new hair growth phases.

This article reviews potential animal models for studying androgenetic alopecia and reports no new experimental results; the authors highlight the need for further development of rodent models.

This meta-analysis reports that vertex baldness is associated with an increased risk of coronary heart disease, particularly in younger men, while no significant link was found for frontal baldness.

This study reports that finasteride increases hair count by reactivating resting follicles in men with frontal male pattern hair loss, with continuous clinical improvement due to thickening and elongation of hair even after hair count stabilization.

In this study, oral finasteride treatment for four weeks reduced the weight of the corpus cavernosum in rats but did not significantly affect erectile function.

This report describes a rare case of pityriasis rosea-like eruption in a 52-year-old Thai woman following Oxford/AstraZeneca COVID-19 vaccination, emphasizing the condition does not preclude further vaccinations.

This review discusses the latest understanding of androgenetic alopecia, including stem cell niches in hair follicles, and highlights emerging treatments like growth factors and platelet-rich plasma without new clinical findings.

This research found that spontaneous and depilation-induced hair growth result in biologically distinct telogen phases in murine skin, with variations in thickness, pigment content, and hair follicle composition.

This study found that high-dose radiation can induce accelerated cellular senescence, inflammation, and loss of epithelial stem cells in mouse and human skin, contributing to radiation dermatitis.

This study suggests that epigallocatechin gallate (EGCG) from green tea may counteract DHT-induced hair follicle damage by modifying the miRNA expression profile in human dermal papilla cells.

Over 50% of women over 50 experience hair loss, with minoxidil being the only proven effective treatment.

This study found that Polygonum multiflorum extract may promote hair growth by increasing anagen duration and activating dermal papilla cells in human hair follicles, as observed in cultured cell models.

This meta-analysis found that patients with androgenetic alopecia have significantly abnormal lipid profiles, which could contribute to the link between this condition and cardiovascular diseases.

This study indicates that targeting the PTH/PTHrP receptor may potentially stimulate hair growth, particularly for chemotherapy-induced alopecia, as observed in hairless and cyclophosphamide-treated mice.

This study observed that aging leads to significant structural and biological changes in the scalp's hair follicle environment in women, which may affect hair growth.