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This article questions whether frontal fibrosing alopecia and fibrosing androgeneic patterned hair loss are overlapping conditions or stages of the same process, calling for further research to clarify their underlying factors.

In this case report, a 5-year-old boy presented with an itchy patch of hair loss in the frontotemporal region, with trichoscopy revealing specific hair shaft features, such as black dots and corkscrew hairs.

In this study, researchers found that the curliness of human hair is associated with an asymmetric structure at the cellular level, particularly in the differentiation of the precortex.

This study introduced the BASP classification, a new system for categorizing pattern hair loss in both men and women, and applied it to analyze 2213 Korean subjects.

This case series describes Erythromelanosis follicularis faciei et colli in five Indian patients, suggesting it may be more common than currently reported.

This study describes the expression patterns of type I inner root sheath keratin proteins K25–K28 in human hair follicles, highlighting their distinct distribution within different layers.

This study found that among vitiligo patients in south-southern Nigeria, there were significant correlations between digit lengths and digit ratio, but further research is needed due to the small sample size.

Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.

This case study suggests that trichoscopic examination of the beard can aid in diagnosing frontal fibrosing alopecia in men, especially when challenging to differentiate from androgenetic alopecia.

This study examined the clinicopathologic and trichoscopic characteristics of keratosis follicularis spinulosa decalvans and identified terminal hair involvement and follicular hyperkeratosis as key diagnostic features.

Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.

This review discusses the increasing importance of hair analysis in forensic toxicology and highlights the complexities in interpreting results due to external contamination and regional collection differences, but reports no new findings.

This study found that adhesive tape impression cytology was effective for diagnosing dermatophytosis in dogs and cats, particularly in dogs with kerion, exhibiting sensitivity comparable to or higher than other tests.

This review suggests the existence of a new syndrome characterized by keratosis pilaris, ulerythema ophryogenes, and monosomy 18p, emphasizing its potential utility in diagnosing monosomy 18p.

Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.

This study describes how feather pigmentation in birds is regulated by melanocyte distribution, differentiation, and patterned agouti expression, contributing to diverse and adaptive color patterns.

This study found that a combined pattern of repigmentation was most commonly observed in vitiligo, with a new 'medium spotted' pattern proposed for areas with few hair follicles.

This study found that direct immunofluorescence of hair is a simple and non-invasive alternative for monitoring pemphigus vulgaris, matching skin biopsy results in the cases observed.

This study identified and characterized human hair-specific keratin genes, revealing their sequence homology with mouse counterparts and expression in hair follicle precortical cells.

This study generated a transcriptomic map of human hair follicle compartments, providing a database for identifying compartment-specific gene expression which may aid in developing targeted treatments for hair follicle disorders.

This study identified several specific trichoscopic features of trichotillomania, with trichoptilosis, V hair, and hair powder being the most frequent findings.

This study found that patients with frontal fibrosing alopecia had significantly more titanium-containing nanoparticles in their hair compared to healthy controls, suggesting a potential environmental influence.

This study found that the mouse nail unit structurally resembles the human nail unit, indicating it could be useful for researching nail diseases and biology.

This article reviews factors affecting follicular unit extraction, emphasizing the need to tailor procedures to individual patient characteristics, but reports no new experimental findings.

This study found that the main structural proteins of tree frog toe pads, which aid in their adhesive properties, are alpha keratins that have evolutionary origins in early tetrapods.

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.

Finger length ratios are not linked to the number of specific gene repeats affecting testosterone sensitivity.

This study classified frontal fibrosing alopecia patients into three clinical patterns, finding that pattern III had the best prognosis and pattern II the worst after treatment with dutasteride and corticosteroids.