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This article describes the Frontiers journal series, highlighting its open-access approach and tiered publishing system, but it presents no new empirical findings.

This source reviews advancements in microneedle-based cosmeceutical delivery, discussing new technologies and highlighting a burgeoning area of research involving microneedling combined with stem cell delivery for anti-aging, without finding measurable changes in skin barrier function or appearance during the study period.

This study found that while men's facial appearance, specifically attractiveness and masculinity, correlated with cardiometabolic indicators like insulin resistance and triglycerides, these links disappeared after adjusting for factors such as age, adiposity, and testosterone levels, suggesting that facial cues do not reliably indicate metabolic health.

This review discusses mammalian models of epimorphic regeneration to define a vertebrate regeneration blastema, concluding that regenerative failure likely stems from cellular responses to the microenvironment after injury, not progenitor cell availability, and calls for targeted modification studies in mammals to advance human regeneration.

This review proposes focusing on relationships between neuroactive steroids and psychiatric disorder symptoms, rather than relying on traditional disorder classifications, and reports no new clinical findings.

This review discusses recent advances in scarless wound healing, focusing on strategies to create pro-regenerative scaffolds for repairing damaged skin, and reports no new clinical results.

This review explores recent findings on the roles of melanocyte and melanocyte stem cells in the hair follicle, highlighting their importance for skin health and potential applications in regenerative medicine, but reports no new clinical results.

This review summarizes the current understanding of microRNAs in skin biology, highlighting their roles in processes like wound-healing and aging, without presenting any new experimental results.

This review summarizes recent findings on FOXN1's essential role in thymus and skin biology and discusses emerging therapeutic approaches for immune disorders with athymia, but reports no new clinical results.

This study found that in psoriasis patients, the K17 protein probably functions as an autoantigen, with the HLA-Cw*06:02 risk genotype strongly linked to the T cell response size.

This article discusses the discovery of the first known menstruating rodent, the spiny mouse, and proposes that a significant increase in progesterone during the luteal phase is a unique feature of menstruating species, but reports no new experimental results.

The researchers suggest that testosterone levels might influence COVID-19 susceptibility and severity, with low levels potentially protecting against infection but possibly worsening severe disease due to cytokine storm activation.

The researchers reported that hair follicle germinative epidermal cells can form complex structures when associating with papilla cells in culture, unlike other types of epidermal cells.

This article argues that lineage labeling with genetic markers is the gold standard for identifying epithelial stem cells, contrary to the view that in vitro methods alone are sufficient.

In studying wild meerkats, researchers observed that matriarchs with high androgen levels during late gestation exhibited increased dominance and aggression, affecting both their behavior and their offspring's aggression.

This study found that chronic administration of finasteride affected the isotopic composition of testosterone and nandrolone metabolites, impacting the drug-testing outcomes in athletic contexts.

In this study, the researchers observed that the evolution of Curtobacterium flaccumfaciens pv. flaccumfaciens, which causes tan spot in Australian mungbeans, is driven by clonal expansion from existing genetic variations, emphasizing the need for informed breeding strategies to manage resistance against this pathogen.

This article discusses the perceived shortcomings of nineteenth-century British drama in addressing contemporary ideas, questioning its literary vitality beyond stage performance, and reports no new results.

This study observed that middle-aged women with Polycystic Ovary Syndrome who practiced yoga Nidra for twelve weeks experienced improvements in stress, anxiety, and depression compared to a control group that did not participate in any intervention.

This review discusses the WNT signaling pathway's involvement in human diseases and highlights recent advances in WNT-related treatments, but it presents no new research findings.

This review explores animal models of alopecia areata, particularly focusing on the insights they've provided into the disease's immune mechanisms and potential treatment approaches, without reporting new experimental data.

This review outlines the development, applications, and challenges of microneedle-based drug delivery from 2000-2019, particularly highlighting fabrication techniques, but reports no new clinical results.

This review discusses the role of lamins in development, tissue maintenance, and stress response, and does not report new experimental findings.

This review discusses the role of stem cell heterogeneity and compartmentalization within the epidermis and highlights their significance as niches for neighboring cells, without reporting new experimental results.

This study introduced the concept of spatiotemporal clocks to understand how different phases of mammalian wound healing are coordinated, with a focus on the spatial domains and oscillatory molecular signals involved, while highlighting the potential for regenerative therapeutic strategies.

This chapter reviews traditional and tissue-engineered treatments for skin defects and discusses advances in bioengineered skin constructs, but it presents no new experimental results.

This review highlights icariin’s potential to regulate macrophages in varying conditions, discussing its effects on macrophage polarization, metabolism, and disease mechanisms, and noting the development of delivery systems to enhance its therapeutic impact.

This study explored the role of Twist2 in fetal wound healing in embryonic mice, observing that its expression was vital for scarless regeneration and normal hair follicle formation; Twist2 knockdown led to visible scars and defective follicle formation.

In this study, researchers found that the protein Twist2 plays a crucial role in scarless wound healing in early embryonic mouse skins, with its knockdown leading to visible scarring and defective hair follicle formation, suggesting potential therapeutic targets for reducing scars and promoting regeneration.

This review highlights the potential of plant-derived molecules like Epigallocatechin-3-Gallate and Ginsenosides to promote healthy hair growth by enhancing nutrient supply and blood flow to the scalp, and notes their growing role in natural hair care product development.