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This study found that light stimulation of intrinsically photosensitive retinal ganglion cells in the eyes can activate hair follicle stem cells through a neural circuit involving the sympathetic nervous system.

This study found that inhibiting PKC-β activity with bisindolylmaleimide reduces pigmentation in the skin and hair of guinea pigs and mice by preventing tyrosinase activation.

This article explores how extrafollicular environments and stem cell configurations influence hair and feather regeneration but provides no new experimental results.

This review discusses the clinical features and treatment challenges of acne keloidalis nuchae, a form of chronic scarring folliculitis, and reports no new results.

In this study, polymeric micelles containing retinoic acid were found to improve targeted delivery to hair follicle structures in human skin more efficiently than a marketed retinoic acid gel, suggesting potentially safer and more effective acne treatment.

This study found that 2% topical minoxidil solution was significantly more effective than placebo in promoting new hair growth in women with androgenetic alopecia.

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

This protocol describes using two-photon laser-scanning microscopy to study hair regeneration in live mice, offering detailed imaging capabilities for observing hair follicle stem cell behavior and manipulating cellular populations.

This study found that finasteride-loaded liposomal formulations achieved significantly higher skin permeation and deposition compared to conventional gels and solutions, suggesting potential for effective topical application.

This article discusses the complexities of treating hair and scalp disorders in African American patients, emphasizing the importance of understanding their specific hair care practices and the unique impact on quality of life, but reports no new empirical findings.

This article provides an updated overview of the diagnosis and management of tinea infections but reports no new clinical findings.

In this study, topical application of Thuja orientalis extract promoted hair growth by inducing the anagen phase and increasing hair follicle size and number in telogenic mice.

In this study, miR-218-5p was found to enhance hair shaft growth and positively regulate the Wnt signaling pathway by targeting SFRP2 during skin and hair follicle development.

This study observed that autologous PRP and PDRN injections improved hair thickness and density in women with pattern hair loss, with combined therapy showing greater improvement in thickness than PDRN alone.

This study found that IGF-1 injections increased hair follicle number and growth phase duration in wild-type mice, suggesting potential for baldness treatment.

This study found that bimatoprost stimulated hair growth in both human scalp follicle cultures and mouse pelage in vivo, suggesting it might offer a promising treatment for scalp alopecias.

This study found that the aqueous ethanol extract of Myricae Cortex demonstrated in vitro testosterone 5alpha-reductase inhibitory activity and in vivo anti-androgenic effects in mouse and hamster models.

This study suggests that a 1,550-nm fractional erbium-glass laser may stimulate hair growth in both an alopecia mouse model and human subjects with male pattern hair loss, though further research is needed to determine its clinical applications.

This study found that C. obtusa oils promoted hair growth in shaved mice and increased the expression of a hair growth regulator, VEGF, in a cell line.

In this study, red ginseng extract and its ginsenosides enhanced human hair follicle cell proliferation and countered dihydrotestosterone-induced suppression, suggesting potential to promote hair growth.

This article discusses the causes, development, treatment, and prevention strategies for pseudofolliculitis barbae and folliculitis keloidalis nuchae, but reports no new clinical results.

This study found that disrupting Stat3 in keratinocyte stem cells of mice reduced skin tumor formation by approximately 80%, suggesting Stat3's role in tumor initiation survival mechanisms.

This study demonstrated effective delivery of CRISPR/Cas9 components to dermal papilla cells in androgenic alopecia animals using ultrasound-activated nanoparticles, resulting in specific gene editing and hair growth recovery.

This study observed that Aconiti Ciliare Tuber extract may promote hair growth in mice by activating the Wnt/β-catenin signaling pathway.

In this study, germacrone from Curcuma aeruginosa showed anti-androgenic effects by inhibiting 5α-reductase, suggesting its potential as a lead compound for treating androgen-dependent disorders.

This study found that Piper nigrum leaf extract showed in vivo anti-androgenic activity and potent 5α-reductase inhibitory effects, with piperine and (−)-cubebin identified as active components.

This study found that minoxidil 2% increased nonvellus hair counts in women with female androgenetic alopecia without causing serious side effects, compared to a placebo.

This study suggests that minoxidil may enhance hair growth by stimulating adipose-derived stem cell motility and growth factor secretion, promoting dermal papilla cell proliferation and accelerating anagen induction.

This study found that minor ginseng saponin F2 may promote hair growth more effectively than finasteride by enhancing anagen induction and modulating the Wnt signaling pathway in cell and mouse models.

This study found that vitamin C increased the survival, proliferation, and hair-regenerative potential of adipose-derived stem cells through the MAPK pathway and enhanced hair growth in mice.