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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 explored the effects of red ginseng-derived components on aging skin cells and found they do not have senolytic properties but can alleviate signs of cellular aging and improve skin cell function by reducing senescence markers and inflammation.

This study suggests that follicular unit viability during hair transplantation is best preserved at lower storage temperatures, specifically around 4 °C, and provides insights into optimal cooling practices to enhance transplant success.

The study investigated immune cell patterns around the hair follicle infundibulum in androgenetic alopecia, revealing significant differences in immune signatures between patients with AGA and control donors, specifically noting an enrichment of CD4 cells in the patient group.

CD8+ T cells attack hair follicle stem cells, causing scarring and hair loss in Discoid Lupus.

This study reported that surgical treatments for vitiligo, including tissue and cellular grafting methods, are safe and effective in selected patients, although specific advantages and disadvantages vary by technique.

This research review discusses how iron deficiency affects various bodily functions and systems, such as immunity and metabolism, by identifying the iron-dependent enzymes and pathways involved, suggesting that understanding these mechanisms may offer new treatment possibilities for related diseases.

This narrative review reports that well-selected plant extracts and their active compounds may improve hair health by promoting hair growth and preventing hair loss, potentially aiding in developing targeted therapies for alopecia.

In this study, researchers reviewed the roles of autophagy and mitophagy in hair follicle cycles, exploring their potential links to hair loss and investigating how manipulating these pathways might offer new therapeutic strategies.

This study examined the relationship between thyroid autoimmunity and alopecia areata in patients aged 2-65 and found no statistically significant association, despite a notable correlation between anti-TPO levels and disease duration.

This narrative review discusses the promising role of photobiomodulation in dermatology, emphasizing its non-invasive nature and potential benefits, but acknowledges the need for further research to establish standard protocols.

Multiple-wavelength radiation helps hair grow by boosting early hair follicle development.

This study suggests that phloroglucinol may enhance anagen signaling and reduce oxidative stress-induced damage in human dermal papilla cells, offering a potential therapy for hair loss.

This systematic review found that both cellular and acellular stem cell-based therapies are safe and able to improve hair regeneration and density in patients with androgenic alopecia, although some results may be temporary.

Photobiomodulation effectively stimulates hair growth and reduces hair loss.

This paper reviews existing research on the cosmetic benefits of hemp-derived cannabinoids for skin and hair, highlighting their unique mechanisms of action, while discussing formulation, legal, and regulatory challenges associated with using these compounds in cosmetic products.

This review discusses recent research on exosomes' role in dermatology, highlighting their involvement in skin diseases and rejuvenation and exploring therapeutic possibilities in these areas.

This study demonstrates that an injectable gelatin-based hydrogel incorporating zirconium and quercetin promotes diabetic wound healing in vivo by enhancing angiogenesis, collagen deposition, and hair follicle regeneration while providing antibacterial and oxidative stress protection without detectable cytotoxicity.

This study suggests that hemoglobin α expression in the epidermis is induced by oxidative stress and may function as an antioxidant, contributing to skin barrier function.

In this study, exosome-like nanoparticles derived from rose stem cell culture were found to enhance skin quality by increasing collagen production, reducing melanin and inflammation, and promoting cell migration in vitro, suggesting potential aesthetic applications.

This study highlighted the significance of integrating single-cell RNA sequencing with spatial transcriptomics for improving cell-type identification in human skin, emphasizing the need for a comprehensive cell atlas.

This paper highlights the growing interest in exosomes for their therapeutic and diagnostic potential in cosmetic dermatology, noting their roles in skin rejuvenation, postprocedural care, and antiaging treatments.

This review discusses botulinum toxin A as a treatment for various types of hair loss and reports no clinical results; the authors emphasize the need for comprehensive evaluations and further research.

In this review, researchers explored how various cell types and molecular mechanisms contribute to wound-induced hair follicle neogenesis, highlighting its potential as a therapeutic approach for regenerating hair follicles and minimizing scar formation after injury.

In this review, researchers discussed the anti-inflammatory and immunomodulatory properties of metformin and hypothesized that its topical application could benefit those with alopecia areata, given its effects on immune pathways, hair regrowth, and autoimmune disease management.

This study demonstrated that prolonged use of commercial hair dyes caused significant increases in liver enzymes and bilirubin levels, and evident cellular injury in the skin and liver tissues of Albino rats, indicating potential toxicity.

In this study, researchers used single-cell RNA sequencing to identify cell types and molecular differences in subcutaneous adipose tissue from various anatomical sites, suggesting that certain subpopulations of human adipose stem cells might improve the treatment of chronic refractory wounds.

This article discusses the role of regulatory T cells in alopecia areata, where their deficiency in hair follicles may lead to impaired local immunity and suggests potential therapies like CAR-T reg cells and low-dose IL-2 to alleviate autoimmunity and promote hair regeneration in affected individuals.

In this study, using a mouse model, researchers found that inducing senescence in hair follicle stem cells led to hair regeneration failure and sebaceous gland enlargement, akin to androgenetic alopecia features.

This study provided a dynamic 4D atlas showing the development process of mouse hair follicles through a telescope-like model, revealing new insights into the origin of hair follicle stem cells.