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This study found that permanent dye application causes initial swelling and subsequent degradation of the hair cuticle, with recovery taking more than 8 weeks to approach pre-treatment conditions.

This study observed that mice with a Cx43 mutation exhibited slower and asynchronous hair regrowth with severe cuticle weathering, mimicking aspects of hair phenotype in some ODDD patients.

This study outlines how combined ultrasonic and infrared hair treatments may enhance hair restoration and performance by breaking down keratin disulfide bonds for better treatment access and sealing cuticle scales to preserve improvements, with potential applications in salon and home settings.

This study reported that using autologous micro-grafts according to the Rigenera® protocol may improve hair restoration and increase hair follicle numbers in patients with androgenetic alopecia after 6 to 9 months.

This study found that twice-daily intradermal injections of mouse epidermal growth factor in Merino sheep resulted in dose-dependent changes in wool follicles and fibres, including induction of catagen and subsequent regeneration.

This article reviews monilethrix, a rare genetic hair disorder causing brittle hair and alopecia, and emphasizes the need for clinical diagnosis and characteristic tricoscopic findings.

This study identified ten key hub genes and pathways crucial for understanding the molecular mechanism of hair growth by comparing dermal papilla cells in 2D and 3D cultures.

This study demonstrated that blocking the Sonic hedgehog signaling pathway in mice led to reversible inhibition of body coat hair morphogenesis, while whisker development was unaffected.

This review discusses recent advances in hair follicle biology, regeneration, and tissue engineering, highlighting emerging therapeutic opportunities, and reports no new experimental results.

This review examines the recent progress in using bioactive molecules for skin regenerative medicine and reports no new clinical results; the authors suggest this method could become a promising strategy for in situ skin regeneration.

This study identified a specific subpopulation of hair follicle stem cells in mice and humans that are essential for long-term hair regeneration, highlighting the potential for regenerative therapy.

In this study on C57BL/6 mice, researchers found that cadmium chloride exposure led to metabolic disruption, accelerated skin aging, and impaired hair regeneration, with more severe effects observed at higher doses.

This review discusses the evaluation of animal models for hair research and regeneration, highlighting their importance and limitations, and calls for improved approaches to advance understanding of human hair diseases.

This chapter reviews the use of electrospun matrices in creating tissue-engineered skin substitutes and reports no new clinical results; it emphasizes the need for a cell-friendly microenvironment.

This study explored the role of Twist2 in fetal wound healing in embryonic mice, observing that its expression was vital for scarless regeneration and normal hair follicle formation; Twist2 knockdown led to visible scars and defective follicle formation.

In this study, researchers found that the protein Twist2 plays a crucial role in scarless wound healing in early embryonic mouse skins, with its knockdown leading to visible scarring and defective hair follicle formation, suggesting potential therapeutic targets for reducing scars and promoting regeneration.

This study found that in mice, oral administration of Lactilactobacillus curvatus LB-P9 accelerated hair regrowth and increased hair thickness, hair follicle numbers, and dermal thickness, likely by boosting hair growth factor production and dermal papilla proliferation.

This review discusses recent advancements in hair follicle regeneration technologies, including the authors' own development of functional hair regeneration through bioengineered follicle germ transplantation, but reports no new clinical results.

This review discusses advances in using molecular tools from skin biology to manipulate adult stem cells for regenerative medicine and reports no new clinical results.

This study demonstrates the potential of using bioengineered follicles from adult tissue-derived stem cells for fully functional hair regeneration, illustrating possible applications in organ replacement therapy.

This article provides contact information for Bruce A. Morgan and features no new research findings.

In this study, co-grafting human keratinocytes with murine dermal papilla-enriched cells produced hair follicle-like structures, but without regular hair formation, suggesting anomalous folliculogenesis.

This study suggests that S100A4 and S100A6 proteins may play key roles in activating stem cells for hair follicle regeneration in mice.

This report reviews current advances in hair follicle regeneration for tissue-engineered skin grafts and highlights the feasibility and challenges of creating human hair follicles in this setting, suggesting key bioengineering requirements.

This review discusses recent advances in hair regeneration therapies, highlighting the potential of nanotechnology and pluripotent stem cells, and reports no new results, emphasizing the need for further research.

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 current research on animal models for hair regrowth treatments and reports no new findings; it highlights the need for studies comparing therapy efficiency and long-term safety.

This article describes a protocol for using bioengineered techniques to regenerate functional hair follicles and their stem cell niches by manipulating epithelial and mesenchymal cells.

This study found that αvβ6 integrin inhibits keratinocyte proliferation during wound healing and hair regeneration, suggesting its downregulation may enhance recovery and influence epidermal stem cell behavior.

This analysis concluded that mesenchymal stem cell-derived exosome therapy may offer a promising and safe approach for hair restoration, especially in androgenetic alopecia, despite limitations in study consistency and size.