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This review discusses the mechanisms by which laser treatment affects hair structures and growth, highlighting its potential for permanent hair reduction and associated skin damage, but reports no new experimental results.

This review highlights the promising potential of Semecarpus anacardium Linn. in promoting hair growth due to its antioxidant and anti-inflammatory properties but emphasizes the need for further human clinical trials and safe formulation practices due to its associated toxicity in raw form.

This study found that perifollicular vascularization around the dermal papilla adjusts dynamically to physiological changes, with minoxidil enhancing vessel mobilization and aging processes inhibiting it, highlighting potential targets for treating hair loss and skin aging.

In this study, a hair tonic containing fragrant pandan leaf extract and virgin coconut oil was formulated and evaluated, with most variations demonstrating physical stability except for one formulation, which showed instability in the specific gravity test.

This article reports the first documented cases of Marie-Unna hereditary hypotrichosis in Egypt, highlighting the variability of genetic mutations in this rare form of congenital hair loss.

This study found that the ashwagandha extracts ASH-Ext1 and ASH-Ext2 show different pharmacological activities in cell models due to their distinct withanolide proportions, highlighting the need for standardized extraction protocols to ensure consistent therapeutic efficacy.

This case report describes a novel NECTIN4 gene mutation linked to ED-syndactyly syndrome 1 in a young girl, contributing to the understanding of this rare ectodermal dysplasia.

This study observed distinct sex differences in hair growth cycles and regeneration in C3H/He mice, noting that females regenerated hair faster after adhesive material application, whereas males were more reliant on macrophage activity for this process.

This study found that perifollicular vascularization adapts to physiological changes, with minoxidil enhancing capillary growth around the dermal papilla and aging-related factors inhibiting it, suggesting potential interventions for hair loss.

This study found that tribuloside, a flavonoid from Tribulus terrestris L., enhances melanin production in human melanocytes, zebrafish, and human skin samples without causing toxicity, potentially through inhibiting PDE to increase cAMP levels and promote the melanin biosynthesis pathway.

In this study, serum zinc levels in telogen effluvium patients showed no significant difference compared to healthy controls.

This article describes telogen effluvium as diffuse cyclic hair loss in women caused by systemic stresses, diseases, or physiological situations, but reports no new clinical results.

This review discusses the causes and patterns of telogen effluvium and reports no new clinical findings; it highlights spontaneous recovery in many cases despite severe hair loss.

This article reviews telogen effluvium, including its causes, presentation, and prognosis, and concludes that while chronic cases may be severe, spontaneous recovery can often occur after many years.

This study found that Undariopsis peterseniana extract may promote hair growth by activating specific cellular pathways, suggesting potential for treating alopecia.

This review discusses the role of heparan sulfate proteoglycans in regulating stem cell fate and highlights their potential as targets for addressing hair loss, without reporting 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.

This review explores the potential (neuro-)endocrine influences on hair follicle epithelial stem cell biology and emphasizes the need for more systematic research, but it provides no new empirical results.

This study identified the Hairless (Hr) gene-encoded protein as a corepressor that plays a crucial role in maintaining skin and hair by regulating epithelial stem cell differentiation and gene expression via chromatin remodeling, which may impact both development and disease.

This review discusses the roles of the hairless (HR) protein as a corepressor, particularly its impact on RORα-mediated transcriptional repression, and reports no new experimental findings.

This review classifies mutant mice with hair abnormalities into six categories, providing an annotated table that serves as a reference for understanding the molecular controls of hair growth.

Certain tyrosine kinases may regulate hair growth and could help develop hair loss treatments.

This study found that miR-148a plays a significant role in regulating skin homeostasis and hair follicle cycling, influencing stem cell activity and development in mice.

This study found that oral administration of Terminalia bellirica enhanced hair growth in testosterone-suppressed conditions in both human cell and mouse models, outperforming finasteride, a current commercial hair loss treatment.

This review examines current knowledge on human epithelial hair follicle stem cells, their markers, and outlines challenges in translating findings from murine studies to human research, but does not report new experimental results.

This study reports that milk goats exhibit significantly more differentially expressed genes related to hair follicle cycling across different months compared to cashmere goats, especially in December.

Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.

This study found that aging mice experience slower and more fragmented hair cycle waves, but transplanting aged skin to a young host can partially restore hair cycling, implicating extracellular factors.

This review discusses the role of Edar signaling in hair follicle development and cycling, emphasizing its impact on cell fate, differentiation, and interactions with other pathways, but reports no new results.

This study found that manipulating prolactin levels in New Zealand Wiltshire sheep induces wool follicle growth cycles, revealing gene expression changes that suggest roles for specific genes in follicle function.