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This review discusses various strategies to enhance drug delivery through the skin barrier, highlighting liposomes as promising carriers for increased dermal concentrations in topical therapies, but reports no new research results.

This study reports that a carbopol gel formulation with melatonin shows potential for extended drug release and biocompatibility in dermal applications due to its favorable bio-pharmaceutical properties.

This study found that both intradermal injection and derma roller techniques for QR678Neo® hair regrowth therapy improved androgenetic alopecia symptoms, with intradermal injections showing non-significantly better video-microscopic outcomes but more pain and erythema associated with derma rollers.

This study found that human mesenchymal stem cell-derived extracellular vesicles promote the proliferation and migration of hair follicle cells and increase hair shaft elongation in cultured human hair follicles.

This study developed and tested continuous implanters for dermal papilla cell aggregates, finding that the bar-cartridge type implanter is the most effective design for continuous cell implantation in androgenetic alopecia research.

This review highlights the potential of bioengineered dermal scaffolds in tissue engineering to enhance wound healing by mimicking the dermal structure and supporting cellular processes, while also discussing recent advancements and challenges in scaffold technology.

This article explains the preparation methods and applications for various vesicle and particle systems used in transdermal drug delivery, highlighting their effectiveness and potential for further development in this field.

This review discusses the connection between hair follicles and dermal adipose tissue, suggesting that improving the adipogenic environment could be important for treating alopecia and enhancing hair restoration procedures, but reports no new results.

This review discusses the role of dermal papilla cells in hair follicle formation and their potential use in cell therapy for hair loss, but reports no new research findings.

This review discusses the application of lipid nanoparticles for enhancing drug delivery through hair follicles and reports no new clinical results, emphasizing the potential role of sebum-like lipids in this context.

In this laboratory study, researchers found that human platelet-rich plasma (hPRP) significantly improved the proliferation and hair-inductive capacity of human dermal papilla cells (hDPCs) compared to fetal bovine serum, suggesting hPRP as a potential substitute for FBS in expanding hDPCs for clinical hair regeneration therapies.

This study found that pharmacopuncture and topical application of Sebalgukhwa-san extract improved hair growth, density, and thickness in an alopecia mouse model without affecting liver function.

Raspberry ketone may help grow hair and improve skin elasticity.

This article discusses the efficacy of different derma roller sizes compared to topical applications for administering QR678 Neo® in treating androgenetic alopecia, but provides no new clinical results.

This study found that various reduced folates effectively penetrated an in vitro skin model, promoted cell proliferation and migration, and may enhance wound healing, suggesting potential for topical treatment in skin conditions.

This study confirms that finasteride inhibits the conversion of testosterone to dihydrotestosterone in human dermal fibroblasts, suggesting potential therapeutic use for androgen-related skin disorders.

This study found that dexamethasone-loaded polymeric nanoparticles, particularly those combining ethyl cellulose with Eudragit® RS, may improve controlled release and penetration of corticosteroids into the skin and hair follicles compared to traditional methods.

This study found that Rhodamin B staining of keratin was inconsistent across normal skin, epithelial tumors, and dermatoses, with notable differences in staining intensity between tricho-hyalin and keratohyalin granules.

This study found that using gallate-containing formulations like EGCG or tannic acid increased the solubility and controlled release of finasteride in microspheres, enhancing its dermal penetration in pig skin by 10 to 50 times compared to a control.

This review outlines the current state and future prospects of using layer-by-layer self-assembly for cell encapsulation in biomedical applications, such as cell-based biosensors, transplantation, and tissue engineering, while also discussing its limitations and potential advancements.

This review discusses the role of exosomes in medical aesthetics, focusing on their mechanisms, production, and preservation, but reports no new clinical results and highlights barriers to their widespread application.

This study evaluated the safety and efficacy of Bio-Pulsed avian mesenchymal stem cell-derived small extracellular vesicles when applied topically, finding significant improvements in hair growth, skin rejuvenation, and regenerative microRNA presence among 60 human participants without adverse events.

This article discusses photobiomodulation as a potential adjunct to hair follicle organoid culture for androgenic alopecia, reporting no new results and suggesting further study is needed.

In this study, researchers found that myeloid cells can convert into keratinocytes during wound healing and contribute to hair follicle regeneration in mice.

This study found that topical cepharanthine increased IGF-I production in human dermal papilla cells, suggesting it may stimulate hair growth and be a promising treatment option for androgenetic alopecia.

This study reported that larger caffeine nanocrystals, at 694 nm, increased caffeine bioavailability via transfollicular penetration compared to smaller nanocrystals, especially in long-term serum concentration measurements.

The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.

This study reported that introducing the TERT and Bmi1 genes into mouse dermal papilla cells resulted in immortal cells capable of inducing new hair follicles in vivo, and human immortal DPCs were also developed.

This study suggests that mesenchymal stem cell-induced dermal papilla-like tissues can generate new hair follicles in mice, indicating potential for developing hair cell therapy using stem cells.