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This review assessed the effectiveness of various treatments for frontal fibrosing alopecia and found that intralesional steroids and 5α-reductase inhibitors showed the most positive outcomes in slowing or halting hair loss, though the lack of placebo-controlled studies and consistent outcome measures limits definitive conclusions.

This review discusses neutrophil-associated and infiltrative scarring alopecias, as well as promising new treatments, but reports no new clinical results.

This study found that transforming growth factor-β1 and CX3CR1 are crucial for recruiting specific macrophages essential for wound-induced hair growth in mice.

This review discusses the emerging roles of transit-amplifying cells in tissue regeneration and cancer formation, highlighting their significance beyond a mere transitional state in hair follicles and the hematopoietic system.

This study reveals that somatosensory neurons in mouse skin exhibit structural plasticity during hair-follicle regeneration, which may temporarily impair the reliability of encoding gentle touch.

This review discusses the role of the immune niche in hair follicle regeneration and its impact on different forms of alopecia, highlighting research gaps and potential therapeutic strategies.

This article discusses the advances in understanding wound-induced hair follicle neogenesis (WIHN) and highlights the roles of specific signaling pathways and cellular plasticity, noting no clinical results but suggesting potential areas for further research.

This study found that untreated hirsute patients have lower expression of type 2 17β-HSD mRNA in scalp hairs, indicating potential disturbances in androgen metabolism, compared to treated hirsute patients.

This study found that the progesterone metabolite 3α-THP increased the proliferation and gene expression of human glioblastoma cells, suggesting a role in tumor progression.

This review discusses the interactions between melanocyte stem cells and their niche in hair regeneration and repair, but reports no new results; recent studies on molecular pathways are highlighted.

This review highlights that frontal fibrosing alopecia’s increasing incidence may involve immune, genetic, hormonal, and environmental factors, yet its pathogenesis remains complex and not fully understood.

This review explores potential new roles for Merkel cells, including involvement in magnetoreception, fingerprint formation, and transmitting environmental information, but reports no experimental results.

This review detailed the types and mechanisms of injectable "skin boosters" and evaluated their effectiveness and safety for mitigating age-related skin changes, providing insight into their use in contemporary dermatological practice.

This study found that late-onset alopecia areata is more common in women and tends to present with milder symptoms, with some patients achieving complete hair regrowth in mild cases.

This review discusses age-related changes in scalp skin and their potential effects on hair follicle aging, but reports no new clinical results, calling for further investigation.

The document concludes that clinicians should be aware of common hair and scalp disorders in women of African descent and that more research is needed to develop effective treatments.

This study reports that newly synthesized steroidal trienones exhibit higher 5α-reductase inhibitory activity than dienones in various biological models, suggesting potential use in treating androgen-dependent diseases.

This article recommends creating a system to educate users about the ingredients and side effects of hair coloring products and does not report new research findings.

The researchers reported that minor salivary gland stem cells exhibit stem cell characteristics and respond to tobacco-derived carcinogens, implicating the transforming growth factor beta pathway in their maintenance.

This report describes a case where a sex reassignment patient on estrogen therapy experienced complete hair regrowth on a previously fully alopecic scalp.

This review discusses the potential link between long-term transdermal exposure to sex hormones from antiperspirants and increased breast and prostate cancer rates, calling for further research to confirm this theory.

This review examines the interaction between hedgehog and Wnt/β-catenin signalling in hair follicles and basal cell carcinoma, linking Hh pathway inhibition to both tumor regression and alopecia.

This review discusses the role of inheritance, androgens, and microinflammation in androgenetic alopecia and suggests some plant-based folk remedies may help address these factors but reports no new clinical results.

In this study, Demodex mites were infrequently found in scalp biopsies performed for hair loss, and most cases were nonpathogenic, but a minority showed folliculitis with a strong response to metronidazole therapy.

This case report describes a patient with breast cancer who developed female androgenetic alopecia after starting tamoxifen therapy.

This review article summarizes the potential role of advanced medical therapies—using genes, cells, and/or tissue engineering—in treating various types of alopecia, by examining clinical research, basic studies, and ongoing trials.

This review discusses the flexibility and diversity of tissue stem cell systems, particularly focusing on the motility and ligand distribution of spermatogenic stem cells, without presenting new experimental results.

This study suggests that ovarian cycle-related progesterone and neurosteroids regulate α2-subunit expression of GABA-A receptors in the hippocampus through a pathway independent of progesterone receptors, potentially affecting brain conditions linked to the menstrual cycle.

This review discusses the challenges in addressing female sexual dysfunction, focusing on the complexities of female sexual response, levels of dysfunction, clinical identification, and existing treatments, but presents no new clinical findings.

This review discusses the evolution of lineage-tracing strategies over the past century, emphasizing their role in identifying progenitor cells and resolving debates about cellular origins, with no new results reported.