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This study proposes a new clinical scoring method for hair density based on hair diameter diversity, which correlates with existing measures and reflects follicle miniaturization in androgenetic alopecia.

The pandemic likely caused delays in skin cancer assessments, leading to fewer early diagnoses and thicker melanomas.

This study observed that Koreans generally have lower hair density, larger diameter, and slower growth rate compared to Caucasians, providing useful baseline data for studying hair diseases and treatments.

In this study, the researchers compared subcutaneous fat in the frontal and occipital scalp regions, which are affected and spared in androgenetic alopecia respectively, to better understand the role of subcutaneous fat in the condition's pathogenesis.

This study introduced a high-viscosity epoxy photoresist to enhance the fabrication of complex microstructures with monolithic integration and mechanical stability, enabling advancements in two-photon 3D printing for creating functional micro-mechanical devices.

This study provided new insights into the complex and heterogeneous architecture of keratin filaments, revealing their dynamic and flexible structure through cryo-electron microscopy analysis.

In this study, hair loss in Japanese men with androgenetic alopecia was found to be primarily due to hair follicle miniaturization rather than hair shedding, particularly in those aged 25 and older.

In this study, reduced hair density, diameter, and follicle miniaturization were key characteristics of female pattern hair loss in Southern Chinese women, with occipital and temporal sites also affected.

This brief article is a response from the authors about hair density, hair diameter, and female pattern hair loss, and it reports no new clinical findings.

This study investigated the mechanical response of the human hair cuticle to strain and found that cuticular deformation directly corresponded with fiber elongation, revealing significant molecular-level changes in disulfide crosslinks but maintained structural stability, highlighting the role of the cuticle in stress resistance.

This study examined 15 female patients with hypothyroidism to investigate the characterization of their alopecia and ruled out other causes, using medical histories, and clinical, trichoscopic, and histologic findings.

Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.

This study observed that Yuyi hairless mice develop alopecia shortly after birth, with the skin eventually thickening and forming folds, and hair failing to regrow as they age.

This article describes a newly developed portable instrument for measuring hair density, emphasizing its significance in advancing hair restoration techniques.

This prospective study found that 1,927-nm fractionated thulium laser treatment significantly increased hair and terminal hair counts in 11 men with pattern hair loss, although it did not change average hair thickness, suggesting it may be a promising therapy for this condition.

This study developed finite element models to examine skin's biomechanical properties, finding that structural heterogeneities like Rete ridges and hair follicles create distinct stress and strain patterns that may influence mechanosensation and skin integrity.

Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.

This article reports a case of trichothiodystrophy in a 7-year-old girl with sulfur deficiency in her hair, characterized by sparse, slow-growing hair and distinctive tiger tail banding under microscopy.

This study suggests that human trichohyalin may function as a flexible rod linking keratin intermediate filaments and as a scaffold protein in hair follicle and epidermis cell envelopes.

This study found that a marine-extract dietary supplement significantly reduced hair shedding and increased hair diameter in premenopausal women with subclinical hair thinning or hair loss after 6 months of use.

TrichoScan accurately measures hair growth and loss, showing increased hair counts and thickness with treatment.

This study introduces a non-invasive photoacoustic imaging technique that accurately measures hair follicle density and subdermal angles, showing strong correlation with the gold-standard photographic method.

This article discusses the importance of understanding hair direction and angulation in hair restoration but reports no new experimental findings.

This study observed that adults with thinning hair who ingested a patented botanical-based supplement experienced significant increases in hair shaft diameter and reductions in hair breakage over 180 days, suggesting improved hair strength and length across various demographic groups.

The trichometer accurately measures hair growth and is easy to use.

In this study, researchers observed that Purebred Arabian horses had significantly thicker hair in most assessed body areas compared to Polish Sports horses, indicating that breed should be considered in evaluations of equine skin and hair characteristics.

In a non-blinded study with 12 Japanese participants, applying a lotion containing Lactiplantibacillus plantarum N793 to the scalp for 24 weeks significantly increased hair density and reduced hair loss, with participants reporting improvements in hair thickness and volume, and the treatment deemed safe.

This study describes new devices, "HairMeasure" and "Scalp Zone Identifier," which offer an economical method to calculate Hair Mass Index without disposable materials.

This case report describes a 14-year-old girl with congenital hypotrichosis who experienced improved hair density and thickness after 3 months of treatment with oral minoxidil.