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This study reports that in aged mice, hair follicle dermal stem cells exhibit diminished self-renewal and preferential differentiation into dermal sheath cells, contributing to age-related hair loss.

This chapter reviews the presence and roles of stem cells in various body systems, focusing on their lifelong function in animals and humans, and reports no new experimental findings.

This study found that clinical examination is effective for diagnosing certain non-scarring hair loss types in women, although histopathologic studies are necessary for exact diagnoses, and laboratory tests did not correlate well with clinical findings.

In this study, murine follicular cell aggregates developed into hair-like structures in culture, which upon implantation into mice skin matured into complete hair follicles, suggesting potential for treating hair loss.

This review discusses various plants and herbal formulations traditionally used for hair growth and notes their potential as safer alternatives to synthetic hair loss treatments, but reports no new clinical results.

This review discusses the potential of the hair follicle dermis to direct hair development and explores concepts related to hair growth and androgenetic alopecia, without reporting new clinical results.

New materials and methods could improve skin healing and reduce scarring.

PGD2 stops hair growth and is higher in bald men with AGA.

This study examined noninvasive tissue samples, including buccal swabs, hair follicles, saliva, and urine cell pellets, and found hair follicles and urine cell pellets promising for transcriptomic and clinical analyses due to their sample quality and performance in disease-relevant applications.

This study created a Wnt3a protein gradient using Multiphoton Microfabrication technology, which improved hair-inductive properties in mouse and human hair dermal papilla cells, suggesting potential applications in hair regeneration research and drug screening.

Hair movement can indicate hair quality and health.

This study found that oral cyclosporin A increased hair growth in nude mice, while minoxidil did not have the same effect.

This study explored the use of "microfollicles," a human hair follicle organoid model, as an in vitro tool for testing hair-growth substances, finding up to 75% overlap in gene expression changes with human clinical biopsy responses to minoxidil, indicating its potential for pre-clinical substance testing.

This study found that linoleic acid may help protect against acrylamide toxicity in female albino rats.

This review highlights the potential of transcranial photobiomodulation (tPBM) as a non-invasive and affordable treatment for brain diseases, summarizing recent advances and successful protocols based on over two decades of research.

This study explored the wound healing potential of a natural marine soft coral-derived nanoparticle-based gel in a diabetic excision wound model, finding it effectively regulates proinflammatory cytokines and inhibits enzymes related to wound healing.

In this study, researchers developed a supramolecular hydrogel combining minoxidil and salicylic acid, finding that it accelerates hair growth and enhances hair follicle regeneration in vivo, suggesting its potential as an effective treatment for alopecia.

This study reports that hair follicle-derived mesenchymal stem cells significantly reduced hair loss and inflammation in alopecia areata models, suggesting a potential therapeutic approach.

In this study, six-week-old male mice showed significantly increased hair regrowth rates and higher expression of hair growth-related factors when treated for 22 days with Lactobacillus strains and fermented Korean berry, suggesting these could be potential promoters of hair growth via gut microbiome regulation.

This study found that biotin supplementation is common among patients at a dermatology clinic despite a lack of evidence for its dermatologic benefits and potential interference with lab tests.

This study observed that gold thread implantation increased hair regrowth in both human patients and mice, suggesting it could be an effective hair regrowth treatment, although further studies are needed to understand its mechanisms and safety.

In these initial clinical studies, NAP monotherapy showed significant reductions in HBsAg levels among patients with chronic HBV, suggesting potential as part of future combination therapies.

This study suggests that a novel micropatterned dermal–epidermal matrix (μDERM) enhances keratinocyte function and epidermal morphology, offering potential improvements in skin substitute design for wound healing applications.

This review discusses the expression of circadian genes in hair follicles and their potential for monitoring circadian-rhythm-related conditions, reporting no clinical results; the authors suggest combining hair sampling with other assessments for better insight.

Aging causes hair loss and graying due to stem cell decline and changes in cell behavior and communication.

Genetic studies on hair traits can improve understanding of health and disease.

This study explores the transformative role of tissue engineering in cosmetics, highlighting innovations like lab-grown skin and personalized grafts that enhance product efficacy, offer ethical alternatives to animal testing, and address aesthetic issues such as scarring and aging.

This review explores the immunopharmacological potential of A. lappa for inflammatory musculoskeletal disorders (IMSDs) but reports no new clinical results, emphasizing the need for standardized research methodologies.

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.

This review concluded that oral tofacitinib and adalimumab are promising treatments for cicatricial alopecia, showing effectiveness in improving signs and symptoms but requiring regular monitoring for adverse effects. The authors emphasize the need for further extensive studies to solidify these findings.