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This review discusses telogen effluvium, a common form of hair loss, and reports no new clinical results; the authors outline possible causes, typical prognosis, and management strategies.

This issue contains notes by Dr. Bradley Wolf and mentions comments by Dr. Jerry Cooley, but it presents no new research findings.

This study suggests that 5α-reduced glucocorticoids may have anti-inflammatory potential and could serve as biomarkers for liver inflammation in metabolic disease, with implications for drug development.

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.

Avoiding certain fragrances improved the man's skin condition.

This paper explores how the COVID-19 pandemic has heightened individuals' awareness of their appearance through the "Zoom effect" and discusses the connection between external appearance, social status, and the positive psychological impacts of aesthetic treatments.

This study found that the synthetic retinoid EC23 effectively induces keratinocyte hyperproliferation and enhances hair growth in mice, showing more potency than all-trans retinoic acid.

Gene expression in wool follicles changes with growth cycles, offering insights into wool and human hair growth.

This study found that prolactin and its receptor are expressed in the murine hair follicle epithelium, influencing hair cycle phases by down-regulating keratinocyte proliferation during anagen and inducing premature catagen.

In this study, researchers identified nine new sheep keratin genes, highlighting species-specific differences in the expression and compartmentalization of wool-related keratin genes compared to humans.

In this study, researchers found that disrupting the PRL gene in mice led to earlier hair molting, especially in females, suggesting that PRL inhibits murine hair cycle events.

This study found that prolactin plays a direct role in regulating the timing of hair growth cycles in mice by affecting the skin, rather than through other endocrine factors.

In this study, melatonin implants advanced and synchronized spring hair growth in goats by initiating fiber growth earlier than in untreated goats, with associated suppression of normal prolactin rise.

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.

This study found that administering melatonin to ferrets can advance the timing of fur growth and reproductive cycles influenced by daylength and hormonal control.

The researchers reported that exposure to long days after short-day treatment induced a synchronized, out-of-season wool growth cycle in New Zealand Wiltshire sheep, similar to cycles induced in other species.

This study found that ovine dermal papilla cells exhibit robust aggregation in culture, offering a model to investigate the regulation of hair follicle dermal papilla size.

This study suggests that TGF-alpha may function in an autocrine or juxtacrine manner rather than promoting cell proliferation during hair growth cycles in ferrets and sheep.

This study found that keratinocytes derived from the germinative epithelium of ovine hair follicles have extensive in vitro growth potential, challenging the idea that these cells are solely transit-amplifying.

This study on the sheepgenomics program reported significant progress in identifying genes that can be manipulated to enhance wool production and quality in sheep.

This study observed that key signaling events controlling hair growth in ferret follicles occur between 0 and 4 days after melatonin implantation, highlighting distinct processes in follicular regeneration and fibre growth.

This review discusses the need for more research on how the chronobiological control systems regulate hair follicle cycling and reports no new results.

This study found that disrupting the PRL gene in mice alters the timing of hair cycling events, causing earlier molts and changes in hair characteristics, particularly affecting female mice more significantly.

This article provides issue information and does not include an abstract or any new research findings.

This study found that Hoxc13 gene expression, influenced by melatonin, was associated with hair follicle activity in Cashmere goats, with in vitro evidence suggesting effects on genes relevant to follicle development.

This report describes eleven cases of thallium poisoning in individuals who consumed tortillas made from barley mixed with thallium sulphate, leading to symptoms including tingling, abdominal pain, vomiting, and limb weakness.

This study found that melatonin at 0.2 g/L for 72 hours most effectively enhances cashmere growth in Liaoning cashmere goats by upregulating the lncRNA MTC, which activates NF-kB signaling.

The researchers reported that keratin 33A is a structural protein specific to goat cashmere hair, with increased winter expression in high-cashmere-producing breeds.

This study found that seasonal changes significantly affected hair follicle activity and fibre growth in Merghoz goats, with variations seen in feed intake and growth patterns across different seasons.

This article reviews the historical and scientific perspectives on the phenomenon of stress-induced changes in hair color and reports no evidence supporting the idea that holding or resigning from political office accelerates human aging or hair graying.