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This article reviews the morphogenesis and cycling of hair follicles and the complex signaling pathways involved, without reporting new experimental results.

This review discusses the potential role of extracellular vesicles in hair follicle cycling and future alopecia treatments but provides no clinical results.

This study found that increased MSI2 expression in hair follicle stem cells can delay hair growth by maintaining stem cell quiescence and repressing Hedgehog signaling.

This article reviews major uses of platelet-rich plasma in treating various hair disorders, including both non-cicatricial and cicatricial alopecia, but reports no new results.

This study found that inhibiting the interaction between CXXC5 and Dishevelled could stimulate hair regrowth in mouse models by enhancing WNT/β-catenin signaling, suggesting a potential therapeutic strategy for hair loss involving compounds that block this interaction, such as interfering short peptides.

This study found that miRNA biogenesis, facilitated by Dicer and Drosha, is crucial for adult hair follicles' growth and regeneration, highlighting their multiple roles during the hair follicle growth cycle.

This study identified a distinct "exogen" phase in the hair cycle during which hair shedding occurs, primarily coupled with the anagen phase, rather than as part of the telogen phase.

In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.

In this study, oral spermidine supplementation was found to significantly prolong the hair follicle anagen phase and reduce hair loss, with effects persisting three months after treatment in healthy participants, suggesting potential therapeutic benefits for hair loss conditions.

This study found that Polygonum multiflorum extract may promote hair growth by increasing anagen duration and activating dermal papilla cells in human hair follicles, as observed in cultured cell models.

This study suggests that Eclipta prostrata may promote hair growth in mice and human dermal papilla cells through regulating FGF-7 and mTOR signaling.

This study found that a spermidine-based nutritional supplement increased the number of anagen phase hair follicles in healthy humans, suggesting potential benefits for hair loss conditions.

This phase 1 study reported that after administering supratherapeutic doses of cortexolone 17α‐propionate, a topical antiandrogen intended for hair loss treatment, there was no effect on the QTc interval, indicating no measurable cardiac safety concerns in the concentration range tested.

In this study, topical extracts of Mylabris phalerata Pall. were observed to promote hair growth in mice, potentially indicating its benefit for hair growth activity at low doses.

This study found that in first-line treatment of metastatic breast cancer, pegylated liposomal doxorubicin (PLD) provided similar progression-free survival to doxorubicin with significantly less cardiotoxicity.

In this study, patients with seasonal affective disorder were found to have increased functional connectivity in certain brain networks and higher low-frequency fluctuations compared to healthy controls, which aligns with their attentional and psychomotor symptoms.

This study found that Phaeodactylum tricornutum extract enhanced hair follicle cell proliferation, indicated by increased keratin and ERK1/2 signaling, suggesting its potential for hair care applications.

This perspective reviews current knowledge about cellular and molecular mechanisms in wound healing from 2023–2025, highlighting inadequately understood pathways associated with conditions like keloids and chronic wounds, and discusses proposed novel therapies for these conditions.

In this study, testosterone was found to increase the risk of arrhythmias in a rat heart model, while finasteride reduced this arrhythmogenic effect.

This study identified proteins that are differentially expressed in balding versus non-balding dermal papilla cells, potentially aiding the understanding and treatment of androgenetic alopecia.

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 study observed that applying JAK-STAT pathway inhibitors to mouse and human skin led to rapid hair growth by inducing the anagen phase of hair follicles.

This article reviews the historical development of understanding the hair growth cycle, particularly anagen, catagen, and telogen phases, and reports no new clinical findings.

A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.

In this study, the elimination of NG2+ hair follicle stem cells during the anagen phase was associated with an aggravated sensitization phase of allergic contact dermatitis, suggesting their immunosuppressive role.

In this study, the researchers observed that inducing and then withdrawing β-catenin expression in a bigenic mouse model caused reversible changes in skin morphology, indicating dependence on β-catenin signaling.

The document concludes that scalp cooling and treatments like minoxidil can help manage hair loss from cancer therapy.

This study found that deleting the Hes1 gene disrupts hair regeneration by delaying anagen initiation and shortening the anagen phase, suggesting it's crucial for maintaining hair cycle homeostasis.

This article reviews the role of epithelial-mesenchymal interactions in hair follicle morphogenesis and the hair cycle, suggesting potential paths for developing treatments for hair growth disorders but providing no new clinical findings.

This study suggests that the COX-2 enzyme plays a role in hair follicle biology, as transgenic overexpression in mice induced hair follicle cycling disturbances and alopecia, which was mitigated by COX-2 inhibition.