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This report discusses the Ninth World Congress for Hair Research and highlights the potential of hair follicle studies to advance understanding of various diseases, with no new clinical results presented.

This study examined the age-related changes in the dermal structure of goat skin, providing baseline data on its histomorphology, histochemistry, and histoenzymology.

This review discusses the challenges and research gaps in transgender health care, highlighting the need for dedicated research infrastructure and funding to develop a more comprehensive evidence base.

This commentary discusses the potential of natural volatiles in medical aromatherapy, highlighting their ability to synergize with other drugs and modulate biological processes, but reports no new results.

This study found that beard hair medulla cells express an unexpected range of keratins, showing variability and promiscuous behavior in keratin interactions distinct from other hair follicle cells.

This review discusses recent advances in understanding the cellular, molecular, and genetic factors contributing to lupus erythematosus and reports no new experimental findings.

This study found that using henna dye positively affected hair cuticula pattern and diameters compared to undyed hair, though the degree of change may vary based on hair phenotype and condition prior to treatment.

This case report emphasizes the importance of early diagnosis of Swyer Syndrome in adolescents with slow pubertal progression and primary amenorrhea due to the high risk of germ cell cancers.

In this report, the author shares experiences from a six-month curricular internship, highlighting activities such as arterial pressure monitoring in a community pharmacy and addressing off-label rituximab use at a hospital, alongside discussions of hair loss treatments and nutritional supplementation for dysphagia in the elderly.

This study investigated the hair of German shepherd dogs, revealing variations in color, shape, and band patterns across different body regions, while all hair types shared similar anatomical structures such as continuous, vacuolated medullas and cuticular scales with smooth or rippled margins.

In this exploratory in vitro study, treatment with spermidine increased cell viability and altered gene expression in human epidermal keratinocytes, suggesting potential benefits to cellular health and function, though effects on mitochondrial markers were not significant.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.

This review focuses on S100A6, a Ca²⁺-binding protein, detailing its role in cell functions, the regulation of its expression, and its potential as a biomarker and therapeutic target in various diseases.

This study found that examining the microscopic and ultramicroscopic structures of donkey and horse hair can help differentiate between the species based on distinct differences in hair cuticle and brain substance patterns.

This study identified a new type II cytokeratin, named K6hf, exclusively expressed in the companion layer of the human hair follicle, distinguishing it from other keratins and suggesting a unique biochemical role.

This study identified a domain on human chromosome 21q22.1 containing various high glycine-tyrosine and high sulfur keratin-associated protein genes, revealing their diverse expression in hair-forming cells.

This review examines the potential of nanoparticles for localized drug delivery via hair follicles but reports no new clinical results, with the authors noting a lack of commercial development despite research progress.

In this study, researchers linked SARS-CoV-2 infection to telogen effluvium in some COVID-19 patients by observing the accumulation of viral proteins in hair follicle cells, which may trigger stress responses and cell death, suggesting hair follicles as a potential target in COVID-19.

This study found that Prss53-mutated rabbits exhibited curved hair and skeletal dyskinesia, suggesting a link between Prss53 loss and these traits, potentially involving disrupted calcium metabolism.

The meeting showcased rare skin disease cases, highlighting the need for accurate diagnosis and treatment.

This study found that proretinal nanoparticles, applied topically, are safe and effective for penetration into hair follicles, enhancing retinoid biological activity in the skin while reducing irritation compared to conventional retinal formulations.

This study observed that unpigmented keratinocytes saturate quickly with foreign substance uptake compared to pigmented melanocytes, where melanin significantly enhances binding.

This article discusses recent findings on piedra infections in hair and their keratinolytic activities, but reports no new clinical results.

This review discusses advances in understanding hair and hair follicle structure, gene expression, and molecular signals in hair formation, without reporting new clinical findings.

This study observed that keratose, derived from human hair, integrated well in mouse tissue and remodeled with collagen, suggesting potential as a non-toxic biomaterial for regenerative applications.

This study reported that 4D-printed, aliphatic polycarbonate-based scaffolds supported adipose tissue engineering by allowing adipocyte infiltration and neovascularization in vivo, indicating potential for effective adipose tissue repair.

This review discusses the influence of androgens on hair and sebaceous growth, emphasizing that response may depend more on peripheral sensitivity than on hormone levels; it reports no new empirical results.

This study analyzes the fine structure and protein distribution in monotreme hairs, finding similarities with other mammals and detailing unique immunocytochemical features in their inner root sheaths.

This study suggests that seasonal rhythm genes in cashmere goat skin are differentially expressed with changing daylight, potentially affecting hormone transformation and light sensitivity.

This chapter reviews patchy hair loss due to skin disease, nail disorders related to chronic trauma, and treatments for small carcinomas, but it reports no new clinical findings.