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This review reported that certain systemic drugs, including antiepileptics and anticancer drugs, can lead to changes in hair pigmentation, such as hypopigmentation or hyperpigmentation, with varied prevalence and clinical characteristics.

This review discusses hair shaft disorders, noting the lack of specific treatments and recommending general care practices to prevent hair damage, with some improvement possible during puberty or with treatments like minoxidil.

In this study, the researchers reported a new case of Hutchinson-Gilford progeria syndrome with a novel LMNA mutation and successful surgical intervention for airway obstruction.

This case series describes eight instances of autosomal recessive woolly hair in an Indian population over the past 12 years, detailing their clinical presentation, hair traits, and treatment response.

In this study, researchers used a human skin organoid model to show that solar UV exposure damages hair follicles and skin, while exosomes from mesenchymal stem cells reduced inflammation and supported hair follicle regeneration.

This review discusses the classification and diagnosis of hair shaft disorders based on fragility and emphasizes preventive care due to the lack of specific treatments.

This study found that trichoscopy is a valuable tool for diagnosing various hair disorders by identifying specific trichoscopic patterns, such as hair diameter diversity in androgenetic alopecia and exclamatory marks in alopecia areata.

This review discusses the impact of drugs on human hair growth, highlighting its psychological importance and noting that most contributions are from clinical perspectives, with some input from biochemists and physiologists.

This report expands the known genetic mutations linked to monilethrix by identifying new patients with KRT83 mutations, confirming its role as a causative gene for this hair disorder.

Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.

This study mapped a spontaneous mouse hair mutation, "hague," to keratin genes on chromosome 15 but found no gene mutations in hague mice.

Keratin fibers in hair twist left-handed.

This paper explores the diverse patterns and social significance of Black hair, approaching it as an art form, mathematical pattern, and ethnomathematic entity, and seeks to dispel myths while highlighting its vast possibilities.

This article presents a unique case of hair-thread tourniquet syndrome in a 3-month-old, with a hair causing bony erosion of the toe, and includes a literature review and meta-analysis.

This study identifies KLK14 as a significant factor contributing to hair defects and skin inflammation in a mouse model of Netherton syndrome.

A specific gene mutation causes woolly hair and hair loss.

This review discusses advances in understanding tickling sensations and proposes that knismesis hypersensitivity in autism spectrum disorder may be due to impaired sensory integration.

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 rebonding hair straightening treatments visibly damage the hair cuticle, causing surface erosion and cracks, as shown through Scanning Electron Microscopy analysis.

This study identified a new cytokeratin, mK6irs, specifically expressed in the inner root sheath of mouse hair follicles, distinguishing it as a member of the type II cytokeratin family.

This study demonstrates that keratin K2 is crucial for proper keratinocyte structure and function in specific mouse skin areas, and its deficiency leads to cellular aggregates and skin abnormalities.

This article reviews various congenital and acquired hair shaft disorders, examining their characteristics and potential links to wider health conditions, but does not present any new clinical results.

This study observed that hair cuticles experience greater water-induced plasticization than hair cortex, affecting the torsional rigidity of hair fibers, which may help predict hair setting behavior.

This study observed that human hair keratin showed distinct morphological features depending on the dissolution speed, which could have potential applications in clinical settings for developing self-tendons.

This study presents additional data suggesting that the absence of nerve endings in certain segments of human hair follicles influences the asymmetrical distribution of electrical charges, as indicated by no precipitation of Potassium Ferricyanide crystals.

This study investigated a spontaneous mutation in mice resulting in hair abnormalities and elevated IgE levels, which resembles human Netherton's syndrome and monilethrix.

This study proposes that the terminal tuft structure in sensory nerve endings, involving Schwann cell processes and axon fingers, potentially plays a role in mechano-electric transduction in rats.