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SACUMAN, a rare condition causing hair loss without clear signs, is often misdiagnosed and needs scalp biopsies for accurate detection.

This study found that using small-unit hair transplantation with a No.16 hollow needle, followed by minoxidil, was effective for treating alopecia or low eyebrow density in 25 patients.

This review outlines a systematic method for diagnosing hair loss and presents no new findings; the authors emphasize the importance of biopsy in cicatricial alopecia cases.

In this research, an optimized protocol was developed for dissociating human scalp tissue to produce high-quality single-cell suspensions suitable for single-cell RNA sequencing, aimed at studying the transcriptomics of human hair follicles.

This article discusses challenges and limitations of using simple tissue mechanics for repairing head and neck skin defects in trauma and does not report new findings; it highlights potential problems with routine methods.

In this retrospective study of 29 patients with scalp burn alopecia, researchers utilized a simple method involving tissue expansion to reconstruct the temporal and lateral sideburn areas, resulting in satisfactory, symmetrical, and standardized aesthetic outcomes according to both objective and subjective evaluations.

This study observed that platelet-rich gel for scalp defect reconstruction was more cost-effective and less painful but resulted in poorer hair growth compared to the external tissue expansion technique.

The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.

This study found that local refinement of hair follicles into higher order patterns can occur without the core planar cell polarity system, but global alignment with body axes requires its function throughout development and regeneration.

In this study, researchers developed a relatively simple punch assay for regenerating hair follicles using mouse or human cells, finding efficient hair formation with mouse cells but low efficiency with human cells on reconstituted human skin.

This review explores techniques for scalp reconstruction, focusing on local flap design and execution, without reporting new clinical findings.

This study observed that in the bald scalps of male patients with androgenetic alopecia, there was a significant downregulation of the PPAR signaling pathway, suggesting reduced adipogenesis potentially influencing hair cycling processes.

This study demonstrated how cellular flows and tissue mechanics guide the topological transformations in avian skin, essential for feather follicle development from scales.

This article discusses a novel device for applying mediums to human and animal tissues and reports no new clinical results, focusing on its potential for precise applications and enhanced cell transplants.

This article describes the Dermatologic Surgery journal's coverage of a wide range of skin surgery topics but reports no new research findings.

This study found that the "flying-wings" expanded scalp flap technique effectively restored hemiscalp defects in children following burns, achieving pleasing aesthetic results and proper hair growth direction with minimal complications.

This study found that combining Bioscalp with Ultra Exo Booster and Ultra S Line Plus significantly promoted hair growth and maintained hair bulb integrity in cultured hair follicles from Korean adults.

This review discusses the role of hair follicle bacterial colonization in immune responses and the pathogenesis of alopecia but reports no new clinical results.

In this study, researchers used high-resolution MRI to distinguish anatomical differences in the scalp and hair follicles between tertiary androgenetic alopecia and severe alopecia areata, identifying subcutaneous tissue layer thickness as a key discriminative factor with high diagnostic value.

This pilot study suggests that a new preparation of platelet-rich plasma gel may improve symptoms and tissue regeneration in patients with en coup de sabre scleroderma, though further trials are needed to clarify its role.

This study mapped the development of the human pilosebaceous unit in prenatal scalp skin using multi-modal analysis, finding that epithelial-mesenchymal interactions guide cellular fate and validated tissue-patterning through a hair-bearing skin organoid model.

This article reviews the epidemiology of desmoplastic melanoma and reports no new clinical findings, emphasizing higher risks in chronically sun-exposed older males.

This study found that a topical hedgehog agonist can stimulate hair growth by promoting the transition from the resting to growth phase of the hair cycle in adult mouse skin.

This study examined the relationship between sympathetic nerve endings and alopecia using direct and indirect immunofluorescence on human tissue samples, reporting no new clinical results.

This study demonstrated that human plucked hairs can be used as a valuable biomarker to evaluate the pharmacodynamic responses of various chemotherapy agents ex vivo, supporting their potential use for assessing oncology drug target engagement prior to clinical studies.

In this prospective study, 15 patients with patchy alopecia areata treated with intralesional methotrexate every two weeks showed a significant improvement in hair regrowth and reduction in lesion severity, with changes linked to decreased tissue levels of TNF-α.

This study found no significant gene expression differences in the lesional scalp of patients with central centrifugal cicatricial alopecia with and without a history of uterine leiomyomas.

In this study, transplanted hair follicles from different body sites showed changes in morphology and immune status, suggesting their ability to adapt and function in new recipient areas such as the scalp or eyebrows.

Scalp tourniquets did not significantly prevent hair loss from chemotherapy.

This study found that ageing in women leads to significant structural and biological changes in the scalp hair follicle environment, which may affect hair growth.