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This review highlights the challenges in treating alopecia areata, noting that current therapies often lead to relapse and have uncertain long-term effectiveness; it also points to potential future treatments such as JAK-STAT inhibitors and PRP.

This guide reviews the biology of sebaceous glands and their evaluation methods, emphasizing their roles beyond lipid production in skin health and disease, and reports no new research results.

This study found that bimatoprost stimulated hair growth in both human scalp follicle cultures and mouse pelage in vivo, suggesting it might offer a promising treatment for scalp alopecias.

This paper discusses spironolactone as a potential off-label treatment for female pattern hair loss, noting its ability to halt hair loss progression and induce partial regrowth in a significant number of women but reports no new clinical results.

This review highlights the potential of ginseng and its metabolites in preventing hair loss, detailing their hair growth-promoting effects observed in numerous preclinical studies, and emphasizing the underlying mechanisms involved.

This study found that the microRNA miR-22 is a key regulator of the hair cycle, influencing hair loss by promoting the transition from growth to rest phases and repressing keratinocyte differentiation.

This review discusses the pathogenesis and treatment of androgenetic alopecia, highlighting genome associations and newer topical formulations, but reports no new clinical results.

This review discusses the role of estrogens in hair follicle cycling and the skin, highlighting the need for more research on estrogen signaling pathways and their interactions with other factors in hair biology.

In this study, red ginseng extract and its ginsenosides enhanced human hair follicle cell proliferation and countered dihydrotestosterone-induced suppression, suggesting potential to promote hair growth.

This article examines differences in aging among ethnic populations and highlights cosmetic procedures specific to skin of color, but reports no new research findings.

In this study, lipid peroxides were found to induce apoptosis in hair follicle cells and advance the catagen phase in mice, suggesting a potential mechanism for alopecia development.

This proposal reviews current knowledge and suggests actions for managing chemotherapy‐induced alopecia but reports no new clinical results, highlighting the need for evidence‐based guidelines.

This study found that valproic acid promoted human hair growth by increasing β-catenin levels, suggesting it may be a potential therapeutic option for alopecia.

This article reviews emerging treatments for androgenetic alopecia, including topical 5-alpha-reductase inhibitors and prostaglandin modulators, but reports no clinical results and calls for further efficacy evidence, especially for PRP.

In this study, researchers isolated and identified diverse endophytes from plants in Asia, finding that these microorganisms have significant potential for producing useful metabolites, including enzymes and antibiotics.

This study found that DKK1 and WNT10b are paracrine factors that modulate hair follicle stem cell differentiation inhibition, contributing to androgenetic alopecia by affecting Wnt signaling in androgen-sensitive dermal papilla cells after dihydrotestosterone stimulation.

This review found that low-level laser therapy appears promising in improving hair regrowth and patient satisfaction in androgenetic alopecia, though results should be interpreted cautiously.

This study found that liquid crystalline nanoparticles formulated with Cremophor surfactants significantly enhanced skin permeation of finasteride compared to lower surfactant concentrations.

This review explores genetic and lifestyle factors influencing hair diversity and reports no new findings, calling attention to the potential for future discoveries in genetic and epigenetic research.

This article reviews the generation of complex integument patterns through genetic, chemical, and environmental influences, with applications in tissue engineering, but reports no new experimental results.

This study found that finasteride competitively inhibits the enzyme AKR1D1 with low micromolar affinity but does not act as a mechanism-based inactivator.

In this study, decreased expression of BMP2 and ephrin A3 and increased NT-4 gene expression were observed in dermal papilla cells from androgenic alopecia-affected skin, suggesting potential roles in hair growth regulation.

This study demonstrated that OSA hydrogels enhanced the stability and retention of dermal papilla-derived extracellular vesicles, which significantly improved hair regeneration in both cultured human hair and a mouse depilation model.

This study suggests that down-regulation of vasculature-related genes in dermal papilla cells from balding scalps might contribute to the development of androgenetic alopecia.

This review discusses the genetic research developments in androgenetic alopecia, reporting no new clinical results, and highlights the potential for discovering novel therapeutic targets.

This study found that androgen receptor activation in adult mouse skin reduces β-catenin-induced hair follicle growth and sebaceous gland conversion, highlighting its role in stem cell fate decisions.

This review discusses treatment options for female pattern hair loss, emphasizing the importance of early intervention and the benefits of combined therapies, but reports no new clinical results.

This study established standard trichoscopy norms for adult white females, providing benchmarks for hair thickness, percentage of thin hairs, and pilosebaceous units with single hair across different scalp areas.

In a 24-week randomized trial, this study found that the RAMACAP laser helmet significantly increased hair density and diameter in androgenetic alopecia patients compared to a sham device, although limitations included a small sample size and potential issues with the control used.

This study demonstrated a method for large-scale preparation of self-sorted hair follicle germs in vitro, which successfully generated hair follicles when transplanted into the skin of nude mice.