September 2025 in “Biomolecules” This review analyzed the complex interactions within the skin microenvironment that influence hair follicle development and regeneration, exploring its role in hair-related disease treatment and highlighting research challenges and future directions.
July 2024 in “Clinical Cosmetic and Investigational Dermatology” This review summarizes recent advancements in using exosomes for promoting hair growth, finding that exosomes from various cells, like dermal papilla and mesenchymal stem cells, show promise as a potential new treatment route for alopecia.
August 2023 in “Molecules and Cells” In this review, researchers explored how various cell types and molecular mechanisms contribute to wound-induced hair follicle neogenesis, highlighting its potential as a therapeutic approach for regenerating hair follicles and minimizing scar formation after injury.
This study found that garlic exosomes induced hair growth in rats by increasing anagen follicle counts and activating multiple signaling pathways, including Wnt-1, β-catenin, and TGF-β1.
12 citations
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April 2022 in “Journal of cosmetic dermatology” This review found that while preclinical studies highlight the potential benefits of exosome therapeutics for hair loss, clinical evidence on their safety and effectiveness for alopecia is currently lacking, requiring further research.
9 citations
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June 2020 in “Tissue Engineering and Regenerative Medicine” This study found that applying HHORSC exosomes may enhance the hair inductivity of dermal papilla cells, potentially improving treatments for hair loss.
65 citations
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April 2020 in “International Journal of Molecular Sciences” This review indicates that most studies reported positive effects of platelet-rich plasma injections for treating androgenic alopecia, with no major side effects, suggesting it may be a safe alternative to Minoxidil and Finasteride.
51 citations
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April 2020 in “Cells” This study found that macrophage extracellular vesicles enriched with Wnt proteins significantly promoted hair follicle growth in mice and increased hair shaft size in human hair follicles, suggesting potential clinical use for treating hair loss.
69 citations
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April 2019 in “Biomedicines” This study found that hair thickness and density increased after treatment with human follicle mesenchymal stem cells and platelet rich plasma, associated with enhanced Wnt signaling and platelet derived growth factors.
58 citations
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March 2019 in “Experimental Dermatology” This study suggests that exosomes derived from dermal papilla cells, especially those cultured in three dimensions, promote hair growth and regeneration by enhancing follicular cell activity.
211 citations
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May 2018 in “Trends in cell biology” This review explores recent insights into the diverse cell populations involved in skin development, homeostasis, wound healing, and cancer progression but reports no new results.
87 citations
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April 2018 in “Biochemical and Biophysical Research Communications” In this study, dermal papilla cell-derived exosomes accelerated hair follicle growth in mice, suggesting potential for treating hair loss by modulating key signaling pathways.
113 citations
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November 2017 in “Scientific Reports” This study found that treatment with mesenchymal stem cell extracellular vesicles enhanced hair growth in mice and stimulated dermal papilla cell activity and growth factor production in vitro.
38 citations
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September 2017 in “Oncologist” This source reports that scalp cooling is currently the only safe and FDA-cleared method to potentially reduce chemotherapy-induced hair loss, with about a 50% chance of maintaining sufficient hair to avoid needing a wig.
55 citations
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May 2017 in “Current stem cell research & therapy” In this study, Japanese patients treated with adipose-derived stem cell-conditioned medium for hair regeneration showed positive outcomes, suggesting it may be an effective new therapy for alopecia.
69 citations
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August 2016 in “PubMed” This article discusses the relationship between cortisol, stress, and hair follicle function and highlights oral supplementation with a specific proteoglycan as a promising treatment for stress-related hair growth disorders, but it does not present new clinical results.
175 citations
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December 2014 in “PLoS Biology” This study found that macrophages near hair follicles contribute to the activation of skin epithelial stem cells in mice, suggesting a novel role for macrophages in regulating hair growth.
194 citations
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March 2003 in “American Journal of Pathology” This study found that psychoemotional stress disrupts hair growth in mice by terminating anagen and suggests a potential pathway for pharmacological management of stress-related hair loss in humans.