4 citations
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August 2020 in “Applied Materials Today” This study suggests that human dermal fibroblasts can be converted into dermal papilla cell-like cells using microencapsulation, which may facilitate hair follicle regeneration in mice without chemical or genetic reprogramming.
2 citations
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January 2022 in “Stem cell biology and regenerative medicine” This review discusses the potential of extracellular vesicles from various sources as promising candidates for hair growth stimulation but notes that clinical trials are needed to confirm their effectiveness and safety.
This study suggests that bio-nanovesicles, such as exosomes and microvesicles, may enhance skin and hair follicle regeneration by modulating key signaling pathways, potentially overcoming the limitations of conventional treatments for alopecia and chronic skin diseases.
February 2026 in “International Journal of Molecular Sciences” This study found that 3-hydroxypropionic acid improved the function of hair follicle cells under oxidative stress, suggesting potential as a treatment for stress-related hair loss.
November 2025 in “Pharmacological Research” In this study, researchers found that exosome-like nanoparticles isolated from Polygoni Multiflori Radix can promote hair growth in mice by modulating androgen signaling and gene expression, outperforming Minoxidil in testosterone-induced conditions.
January 2025 in “Case Reports in Dermatological Medicine” This report describes an eight-year-old girl with severe hair shaft abnormalities who showed significant improvement after a single session of adipose tissue–derived exosome therapy, highlighting its potential as an innovative treatment option and the need for further studies to confirm its efficacy and safety.
May 2024 in “Journal of Advanced Research” In this study, researchers found that the interaction between dermal papilla and endothelial cells decreases with age, affecting signaling pathways that promote hair regeneration and angiogenesis in mouse models.
September 2022 in “Research Square (Research Square)” This study found that overexpressing Rps14 in supporting cells promoted hair cell regeneration in the organ of Corti by facilitating cell proliferation and differentiation.
January 2022 in “Stem cell biology and regenerative medicine” This review discusses the potential of using human pluripotent stem cells to generate new hair follicles, though practical challenges remain before it can be applied for hair restoration.
January 2022 in “Stem cell biology and regenerative medicine” This review discusses the mechanisms of wound-induced hair neogenesis and its similarities with embryonic hair follicle development, but reports no new clinical results.
188 citations
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March 2018 in “Frontiers in Immunology” This review discusses the role of regulatory T-cells in tissue repair and regeneration across various organs and reports no new clinical results.
41 citations
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July 2019 in “Clinical Cosmetic and Investigational Dermatology” This paper explores the complex immune processes and cellular diversity that enable the skin to heal and resist invasion, and highlights its potential as a model for studying regeneration.
July 2026 in “Open Access CRIS of the University of Bern” This study reviewed 80 preclinical and clinical studies and found that exosome-mediated treatments show promise for hair regeneration in alopecia by boosting hair density and thickness with generally mild side effects, but call for further research and standardization before widespread clinical use.
January 2022 in “Stem cell biology and regenerative medicine” This review discusses advances in using tissue engineering to improve the inductivity of dermal papilla cells for hair follicle restoration and reports no new clinical results.
113 citations
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June 2015 in “Stem Cell Research & Therapy” This study found that activation or inhibition of Wnt/β-catenin and Notch signaling pathways in rats can alter wound healing, possibly by affecting epidermal stem cell activity and keratinocyte behavior.
45 citations
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April 2016 in “Journal of Dermatological Science” This study found that the Wnt/β-catenin signaling pathway activates melanocyte stem cells, promoting hair follicle regeneration both in vitro and in vivo.
45 citations
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April 2013 in “Cell Transplantation” In this study, the researchers reported that activin B combined with bone marrow-derived mesenchymal stem cells enhanced wound healing and hair follicle regeneration in rats by promoting cell migration through the ERK and JNK pathways.
17 citations
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October 2023 in “Molecules” In laboratory and artificial skin model experiments, this study found that plant-derived PDRN from Korean ginseng effectively promoted skin cell regeneration and strengthened the skin barrier, suggesting a sustainable alternative to animal-derived PDRN.
12 citations
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August 2020 in “Frontiers in Genetics” This study suggests that the long noncoding RNA H19 helps dermal papilla cells maintain their hair follicle-inducing ability by activating the Wnt signaling pathway, potentially offering a therapeutic target for androgenetic alopecia.
11 citations
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May 2022 in “Chinese medicine” This study found that Alpinetin, applied topically in C57BL/6J mice, promoted hair regeneration by activating hair follicle stem cells through Wnt signaling, extending the anagen phase and increasing hair shaft length, with no cytotoxicity observed in keratinocytes and fibroblasts.
January 2026 in “Journal of Ethnopharmacology” Cedrol promotes hair growth better than baricitinib by regulating immune cells.
July 2025 in “World Journal of Stem Cells” This review highlights that exosome-based therapies show promise for hair regeneration by modulating signaling pathways and enhancing hair follicle regeneration; however, further clinical research is needed due to variability in methods and limited clinical studies.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” This study reported that small molecules such as α-ketoglutarate, α-ketobutyrate, rapamycin, and metformin may stimulate hair regeneration by activating autophagy pathways.
20 citations
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April 2011 in “Dermatologic Surgery” Laser therapy helped new hair grow in scarred skin for three patients.
April 2026 in “Frontiers in Cell and Developmental Biology” This study found that exosomes from human umbilical cord mesenchymal stem cells reduced hair follicle aging and promoted hair regeneration in models by upregulating COL17A1 through the miR-21-5p/DKK2/Wnt/β-catenin axis, outperforming existing treatments like minoxidil.
July 2022 in “Research Square (Research Square)” This study reports that Huaier promotes hair growth and tissue regeneration in cancer recovery by activating the Hedgehog signaling pathway, potentially preventing recurrence and metastasis independently from SMO function.
October 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that overexpression of the anti-apoptotic protein Bcl-2 in mice disrupted cell death during the hair cycle, impairing hair regeneration by delaying anagen entry and hair growth.
April 2016 in “Chinese Journal of Dermatology” This study found that Wnt10b induces hair follicle regeneration in mice, likely by activating the canonical Wnt signaling pathway in stem cells and their daughter cells.
June 2026 in “Frontiers in Cell and Developmental Biology” This review outlines recent advancements in understanding how micro-RNAs (miRNAs) influence hair regeneration, highlighting their role in stimulating hair growth and potential therapeutic approaches, while also addressing the challenges of clinical translation due to miRNAs' complex roles and delivery issues.
This study observed that methylene blue, a mitochondrial-targeted antioxidant, promotes hair follicle stem cell proliferation and viability through reduced oxidative stress and enhanced β-catenin signaling, and it may also protect against hair loss related to glucagon-like peptide-1 receptor agonists by reducing metabolic stress.