September 2025 in “Frontiers in Medicine” This study found that angiopoietin-1 significantly reduces apoptosis and promotes proliferation in human follicle dermal papilla cells under DHT-induced stress, suggesting its potential as a therapeutic candidate for androgenetic alopecia.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study found that Ang1 improved survival and proliferation in human follicle dermal papilla cells under DHT-induced stress, suggesting potential as a therapeutic candidate for androgenetic alopecia.
In this study, perilla seed extract obtained through supercritical fluid extraction was found to promote hair follicle cell proliferation and downregulate key genes linked to androgenetic alopecia, showing potential as a natural treatment for hair loss in vitro.
May 2025 in “International Society of Hair Restoration Surgery” In this small, non-randomized study, researchers reported that injecting hair-follicle-derived stem cells into the scalps of androgenetic alopecia patients improved hair density and caliber compared to a control group, suggesting potential efficacy of this approach; however, larger, randomized studies are needed to confirm these findings.
April 2025 in “Cellular and Molecular Biology” This study found that human dermal stem/progenitor cells demonstrated greater proliferation and differentiation potential than hair follicle dermal papilla cells, which showed increased expression of hair regeneration markers.
April 2025 in “International Journal of Molecular Sciences” In this study, exosomes derived from Iris germanica L. rhizomes (Iris-exosomes) were reported to alleviate oxidative stress and improve mitochondrial function in human follicle dermal papilla cells by activating the Wnt/β-catenin signaling pathway, suggesting potential benefits for hair loss treatment.
January 2025 in “Cosmetics” In this study, the researchers found that Astragalus sinicus extracts improved wound healing, reduced oxidative stress, and activated crucial signaling pathways in dermal papilla cells damaged by dihydrotestosterone, suggesting it may be a promising ingredient for hair loss treatment.
November 2024 in “Traditional & Kampo Medicine” This study found that kumazasa extract promotes hair growth in a mouse model and human hair follicle cells, with effects similar to minoxidil, but it did not cause the inflammation observed with minoxidil use.
July 2024 in “International Journal of Molecular Sciences” This study explored the effects of DPP, a 15-PGDH inhibitor, on human follicle dermal papilla cells damaged by dihydrotestosterone and observed that DPP enhanced wound healing, reduced reactive oxygen species, and increased hair growth in ex vivo human hair follicle cultures.
May 2024 in “Journal of functional foods” In this laboratory study, coffee bean residue extract was observed to promote the proliferation of human hair follicle dermal papilla cells by activating autophagy, showing potential for treating hair growth disorders and hair loss.
May 2024 in “Molecules/Molecules online/Molecules annual” This narrative review reports that well-selected plant extracts and their active compounds may improve hair health by promoting hair growth and preventing hair loss, potentially aiding in developing targeted therapies for alopecia.
May 2024 in “FEBS open bio” In this study, testing Annurca apple extract on human follicle dermal papilla cells indicated its potential to prevent patterned hair loss by reducing oxidative stress and increasing factors involved in hair growth.
February 2024 in “Journal of medicinal food” This study reports that the β-catenin inhibitor tegatrabetan reduced hair growth and hair follicle numbers in mice, suggesting its potential as a model for developing new hair growth materials.
January 2024 in “Journal of applied biological chemistry” This study found that Glehnia littoralis and Andrographis paniculata may support hair growth by protecting against oxidative stress and increasing VEGF and Wnt/β-catenin signaling in human hair follicle dermal papilla cells, with enhanced effects when combined.
January 2024 in “Molecules/Molecules online/Molecules annual” In this study, researchers identified eight compounds in Suaeda glauca and reported that its extract may improve hair loss by affecting VEGF, IGF-1 expression, and Wnt/β-catenin signaling, especially compound 4, in human cell models.
January 2024 in “Indian Journal of Pharmaceutical Sciences” In this laboratory study, researchers found that a methanol extract of peach kernel improved the growth and viability of human hair follicle dermal papilla cells, suggesting its potential efficacy for hair growth and care through cell proliferation and signaling pathways activation.
This study found that an extract from Justicia procumbens may prevent hair loss in a mouse model of androgenic alopecia by enhancing hair follicle cell proliferation and improving hair characteristics.
In this study, the SFE-4 extract from coffee pulp demonstrated potential effects for treating androgenetic alopecia by enhancing cell proliferation and gene expression related to hair growth pathways in vitro, using human hair follicle dermal papilla and prostate cancer cells.
September 2023 in “Journal of Nutrition and Metabolism” This study found that the ashwagandha extracts ASH-Ext1 and ASH-Ext2 show different pharmacological activities in cell models due to their distinct withanolide proportions, highlighting the need for standardized extraction protocols to ensure consistent therapeutic efficacy.
August 2023 in “Cell Proliferation” This study observed that incorporating human follicle dermal papilla cells into fibrin microgels increased cell viability and the formation of hair follicle structures in in vitro skin cultures compared to traditional dermal papilla spheroids, suggesting a promising approach for hair follicle regeneration therapies.
July 2023 in “Journal of Microbiology and Biotechnology” This study found that oral administration of Terminalia bellirica enhanced hair growth in testosterone-suppressed conditions in both human cell and mouse models, outperforming finasteride, a current commercial hair loss treatment.
May 2023 in “Skin research and technology” This study found that WD-aptamer increased β-catenin expression and promoted human hair follicle dermal papilla cell proliferation by interfering with the CXXC5-Dvl1 interaction in the Wnt signaling pathway.
April 2023 in “Biomedical Journal of Scientific and Technical Research” In this study, researchers observed that Indian head cactus extract significantly increased the proliferation of human follicle dermal papilla cells and induced the expression of hair growth-related genes, suggesting its potential as a new therapy for promoting hair growth.
March 2023 in “Asian Journal of Beauty and Cosmetology” This study found that the herbal extract HX109 promoted hair growth in mice by increasing cell viability and enhancing hair regrowth, with the effects increasing as doses rose.
January 2023 in “Biocell” The study found that safflower extract may help protect human follicle dermal papilla cells from cisplatin-induced damage, suggesting its potential as an adjuvant in chemotherapy to mitigate hair follicle cell damage.
December 2022 in “Korean journal of medicinal crop science/Han-gug yagyong jagmul hag-hoeji” This study found that polysaccharide extracts from ginseng, green tea, shiitake, and aloe vera effectively protected human follicle dermal papilla and keratinocyte cells by promoting cell proliferation or inhibiting apoptosis, suggesting potential for these extracts as ingredients in cosmetics or pharmaceuticals to prevent 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.
November 2021 in “Research Square (Research Square)” This study found that human hair follicle dermal papilla cells grown in a 3D model influenced hair growth and immune pathways more effectively than those grown in a 2D culture.
September 2021 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” This study found that an ethanolic extract from the microalga Tetrathelmis tetrathele exhibited anti-inflammatory effects, promoted the proliferation of certain skin and hair cells, and inhibited 5α-reductase activity, suggesting its potential as a therapeutic agent for preventing alopecia and enhancing scalp health.
August 2021 in “Journal of Investigative Dermatology” This study highlights that stress-induced activation of the HPA axis in human hair follicles can lead to hair growth arrest, but variability in follicle response complicates potential therapeutic approaches.