November 2023 in “Frontiers in veterinary science” In this study, researchers used yaks as a natural model to investigate hair growth mechanisms, overcoming previous limitations by establishing in vitro models of hair follicle-associated cells and optimizing methods for cell culture and differentiation.
August 2023 in “Stem Cell Research & Therapy” This study found that cell-free fat extract (CEFFE) enhanced hair growth in mice with androgenetic alopecia by increasing hair follicle density and promoting proliferation while regulating the DHT/AR pathway.
June 2023 in “International Journal of Clinical Research and Reports” This study found that higher concentrations of topical diphenylcyclopropenone, especially when prepared with acetone, showed better stability over 6 months compared to lower concentrations.
June 2023 in “Antioxidants” This study found that lipids extracted from Schizochytrium sp. significantly enhanced the proliferation and survival of dermal papilla cells under oxidative stress, reduced reactive oxygen species, inhibited ferroptosis, and promoted antioxidant genes, which improved hair growth in experimental settings, suggesting a potential treatment for alopecia.
This study explored the molecular communication between hair matrix cells and dermal papilla cells in cashmere goats, revealing key ligand-receptor pairs and signaling pathways that facilitate intercellular crosstalk and potentially influence hair growth mechanisms.
This study found significant differences in mRNA and miRNA expression between yak dermal papilla cells and epidermal hair matrix cells, suggesting important roles for these molecules in hair follicle development.
November 2022 in “Journal of Investigative Dermatology” This study observed that three-dimensional cultures of dermal papilla cells enhanced endothelial cell migration and angiogenesis in vitro, which may improve vascularization in tissue-engineered skin constructs.
September 2022 in “Dermatology and therapy” This review summarizes current evidence on the use of contact immunotherapy, excluding alopecia areata, for various skin diseases, discussing its safety, efficacy, and the underlying mechanisms as reported from studies in the PubMed database.
September 2022 in “Institutional Repositories DataBase (IRDB)” Adipose-derived stem cells can be transformed into hair-forming cells using specific extracellular vesicles, offering potential for hair regeneration therapies.
April 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study found that adipose-derived stem cell exosomes increased dermal papilla cell proliferation and elevated proteins linked to hair follicle inducibility in vitro.
June 2020 in “Journal of Investigative Dermatology” This study reported that a treatment serum containing ingredient blends with panthenol, licorice extract, and red clover extract significantly improved hair volume, scalp coverage, and reduced hair breakage over 6 months in individuals with thinning or damaged hair.
This study found that ocu-miR-205 promotes the apoptosis of dermal papilla cells and the transformation of hair follicles from growth to regression and resting phases in Rex rabbits.
This study found that ocu-miR-205 influences hair follicle density in Rex rabbits by promoting dermal papilla cell apoptosis and transforming hair follicles from growth to resting phases through signaling pathway modulation.
September 2017 in “Journal of Investigative Dermatology” This study found that hyaluronic acid increased the size and cell proliferation of mixed aggregates in a 3D culture model, indicating its role in human hair follicle germ-like structure formation without enhancing dermal papilla cell markers.
April 2017 in “Journal of Investigative Dermatology” This study found that lymphatic vessels promote hair follicle growth in mice, suggesting new therapeutic strategies for hair loss treatments.
This study found that gels containing glycyrrhizic acid and aqueous Glycyrrhiza glabra extract significantly reduced underarm hair growth in terms of area, thickness, length, and number compared to their gel bases.
March 2014 in “Journal of The American Academy of Dermatology” Azathioprine may help with severe hair loss, a new topical treatment could counteract hair thinning, and trichoscopy can diagnose hair-pulling disorder effectively.
March 2014 in “Journal of The American Academy of Dermatology” Cortexolone 17a-propionate may be an effective new treatment for hair loss.
January 2014 in “Journal of Investigative Dermatology” Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.
This study found that Clitocybin A from Clitocybe aurantiaca may promote hair growth in immortalized rat dermal papilla cells by enhancing cell proliferation and activating Wnt/β-catenin signaling and ERK pathways.
In this study, the n-hexane fraction of wheat bran significantly promoted hair growth in rat vibrissa follicles and triggered the telogen-anagen transition in C57BL/6 mice, likely through cell cycle and Wnt/β-catenin signaling pathways.
August 1994 in “Journal of dermatological science” Different substances affect hair and skin cell growth in various ways.
April 2026 in “Cytotherapy” This study identifies macrophage-mediated immune signaling as a crucial factor in activating hair follicle stem cells and promoting hair regeneration, offering a new model for testing regenerative therapies for alopecia.
January 2026 in “Biomaterials Research” This study presents a novel drug delivery system combining finasteride and cerium oxide nanoparticles, which successfully reversed cellular senescence and promoted hair regeneration in androgenetic alopecia mouse models, showing efficacy comparable to, and sometimes better than, minoxidil.
December 2025 in “The Journal of Nutritional Biochemistry” This study found that kaempferol may stimulate hair growth in androgenetic alopecia by enhancing dermal papilla cell function and reducing dihydrotestosterone-induced damage, showing comparable efficacy to finasteride in a mouse model.
April 2025 in “Journal of Investigative Dermatology” This study discovered that exosomes from adipose-derived mesenchymal stem cells can mitigate damage in dermal papilla cells by modulating the TGF-β1/SMAD2 signaling pathway through miRNAs miR-574-3p and miR-125a-5p, revealing potential therapeutic targets for androgenetic alopecia.
April 2025 in “International Journal of Pharmaceutical Sciences Review and Research” This study found that SesZen-Bio TM, a proprietary extract from Sesbania grandiflora leaves, increased proliferation of hair cells and hair shaft length in vitro and ex vivo, potentially due to activation of the Wnt/β-catenin signaling and stem cell differentiation pathways.
January 2025 in “ACS Applied Materials & Interfaces” In this study, a nanoparticle system codelivering diphenylcyclopropenone and rapamycin successfully induced immune tolerance and promoted hair regrowth in a mouse model of alopecia areata, offering a promising new therapeutic strategy for this autoimmune condition.
January 2025 in “International Journal of Trichology” This study found that adding PRP to DPCP treatment for severe alopecia areata did not enhance effectiveness compared to DPCP alone.
September 2024 in “Journal of the American Academy of Dermatology” Alopecia areata often recurs after treatment with diphenylcyclopropenone.