May 2025 in “World Journal of Stem Cells” This study discusses the potential of exosomes from human adipose-derived mesenchymal stem cells in enhancing dermal papilla cell proliferation via the Wnt/β-catenin pathway, suggesting a novel treatment approach for androgenetic alopecia by counteracting excessive dihydrotestosterone effects.
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.
5 citations
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October 2021 in “PubMed” This study found that exosomes derived from human adipose stem cells significantly enhanced the proliferation and migration of dermal papilla cells compared to those from platelet-rich plasma, suggesting potential benefits for hair loss treatment.
2 citations
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August 2024 in “International Journal of Dermatology” This study found that treating patients with androgenetic alopecia using exosomes from adipose tissue stem cells over 24 weeks significantly increased hair density and patient satisfaction without severe adverse effects, suggesting a promising alternative treatment for hair loss.
1 citations
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December 2025 in “Stem Cell Research & Therapy” This study found that hucMSC-EXOs delivered via intratympanic injection effectively target vestibular sensory tissues, significantly reducing gentamicin-induced balance issues and high-frequency hearing loss, with some measured outcomes surpassing those achieved with dexamethasone.
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.
In this study, human umbilical cord mesenchymal stem cell-derived exosomes were found to promote the growth of human hair dermal papilla cells, partly by enhancing AKT-dependent signaling pathways, suggesting a potential role in treating hair loss.
This study reviewed various methods and techniques aimed at overcoming limitations in culturing human hair follicles, specifically focusing on restoring the inductivity of hair follicle cells for successful hair regeneration.
February 2025 in “Experimental Cell Research” In this laboratory study, the researchers found that combining dermal papilla cell-derived exosomes with collagenous sequences significantly enhanced hair follicle stem cell migration and proliferation, highlighting a potential strategy for hair regeneration through modulation of the hsa-novel-238a-CASP9 axis.
July 2024 in “Gene & Protein in Disease” This review discusses the potential of exosome-based therapies in dermatology, highlighting their ability to treat conditions like alopecia and accelerate wound healing, though further research is needed to understand long-term safety and develop standardized clinical protocols.
December 2025 in “Clinical Case Reports” The exosome injections were from stem cells and plants, not umbilical cords.
March 2025 in “World Journal of Stem Cells” This study found that human adipose-derived MSC exosomes (hADSC-Exos) may enhance dermal papillary cell proliferation and migration by activating the Wnt/β-catenin signaling pathway, potentially reversing the effects of dihydrotestosterone in androgenetic alopecia.
April 2026 in “Biomaterials and Biosystems” This study found that combining multiple low-dose exosome injections with NIR-II-responsive selenium telluride-mediated photothermal therapy significantly improved healing in diabetic mice with pressure ulcers, enhancing wound closure, hair follicle regeneration, and collagen remodeling compared to single high-dose exosome treatment.
September 2023 in “Stem Cells International” This study using human and animal models found that adipose-derived stem cell exosomes promoted hair growth and counteracted dihydrotestosterone's inhibitory effects, suggesting potential therapeutic applications for androgenetic alopecia.
17 citations
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January 2024 in “Burns & Trauma” The researchers reported that exosomes from hypoxic M2 macrophages, enriched with miR-26b-5p, promoted proliferation, migration, and invasion in human keloid fibroblasts through the PTEN-PI3K/AKT pathway, highlighting miR-26b-5p's role in keloid development.
In this study, human hair dermal papilla cells were incubated with varying concentrations of umbilical cord-derived mesenchymal stem cell exosomes or minoxidil, and cell proliferation was assessed, showing significant results compared to the control.
January 2024 in “Journal of tissue engineering” In this study, researchers used a human skin organoid model to show that solar UV exposure damages hair follicles and skin, while exosomes from mesenchymal stem cells reduced inflammation and supported hair follicle regeneration.
June 2026 in “Journal of Nanobiotechnology” This study reported that human umbilical cord mesenchymal stem cell-derived exosomes may promote hair regeneration and thickness in androgenic alopecia by modulating cellular pathways in hair growth, including increasing hair density and diameter, as observed in a mouse model and an exploratory clinical trial.
November 2023 in “Journal of Investigative Dermatology” This study found that Adipose Stem Cell-derived Exosomes may improve hair growth and scalp rejuvenation, with clinical evidence showing increased hair counts and improved hair thickness compared to minoxidil.
This study found that exosomes derived from human umbilical cord mesenchymal stem cells effectively promoted growth in human hair dermal papilla cells, implicating the PI3K and Akt pathways as potential targets for treating hair loss.
January 2022 in “Journal of St. Marianna University” This study investigated how secretions from cultured human hair follicle-derived keratinocytes affect gene expression in human follicle dermal papilla cells to understand their signaling interactions.
1 citations
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July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that Ashwagandha-derived nanovesicles increased cell proliferation, angiogenesis, and growth factor expression in vitro, suggesting they may have potential as a plant-based alternative or complement to current therapies for hair and skin conditions.
April 2026 in “Journal of Cosmetic Dermatology” This study found that exosomes derived from human umbilical cord mesenchymal stem cells helped preserve melanocyte function and mitigate stress-induced hair depigmentation in mice by activating the Nrf2-ARE antioxidant pathway under acute neurogenic oxidative stress.
January 2022 in “Yokohama National University Repository (Yokohama National University)” This study found that exosomes from human dermal papilla cell cultures, particularly in an oxygen-permeable 3D environment, most effectively supported hair follicle stem cell maintenance and promoted hair follicle formation in vitro.
This study reports that mesenchymal stromal cell-derived extracellular vesicle injections led to complete hair regrowth in a patient with persistent chemotherapy-induced alopecia.
February 2026 in “Cosmetics” This study found that bovine milk-derived exosomes (MEV-miRNAs) significantly increased hair follicle dermal papilla cell viability and up-regulated key WNT signaling components in human hair follicles, suggesting potential therapeutic benefits for androgenetic alopecia and telogen effluvium through modulation of hair growth pathways.
December 2025 in “Preprints.org” This study investigated bovine milk-derived exosomes and found they significantly increased dermal papilla cell viability and up-regulated WNT pathway components in human hair follicles, suggesting potential therapeutic value for hair loss disorders like androgenetic alopecia and telogen effluvium.
2 citations
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January 2022 in “Oxidative Medicine and Cellular Longevity” This study suggests that exosomes from dermal papilla cells can regulate hair follicle stem cell proliferation via the Wnt3a/β-catenin signaling pathway, potentially informing treatment for human hair problems.
January 2025 in “Clinical and Translational Medicine” This research found that exosome-derived long non-coding RNA AC010789.1, modified by FTO and hnRNPA2B1, enhanced human hair follicle stem cell proliferation against androgenic alopecia through the activation of S100A8/Wnt/β-catenin signaling pathways.
November 2023 in “Experimental Dermatology” In this study, researchers found that exosomes derived from dermal sheath cup cells (Exo DSCCs) improved proliferation, viability, and migration while reducing apoptosis in senescent dermal papilla cells, also enhancing hair follicle reconstruction and suggesting a potential strategy for combating senile alopecia.