February 2026 in “Preprints.org” In this preliminary study, HBOT appeared to improve subjective measures of hair and scalp health in healthy adults, but objective changes in follicle density and hair properties were not statistically significant.
December 2025 in “Molecules” This study found that the 15-PGDH inhibitor DPP improved endothelial function in hair-related cells exposed to DHT by reducing oxidative stress and enhancing angiogenic capacity.
December 2025 in “Pharmaceutics” In this study, araliadiol, a plant-derived compound, exhibited senomorphic effects in three dermal fibroblast senescence models, suggesting its potential as a topical treatment to mitigate skin aging by reducing certain senescence-related markers and increasing procollagen type I content.
November 2025 in “Phytomedicine” This study found that Justicia procumbens aqueous extract promoted hair regrowth and alleviated aging-related hair and vascular deterioration in mice, indicating potential benefits for maintaining hair health as aging progresses, though further research is needed for human validation.
November 2025 in “npj Breast Cancer” In this study of women with breast cancer undergoing chemotherapy and scalp cooling, 12% experienced incomplete hair regrowth at 6 months, with tamoxifen therapy identified as a significant risk factor for persistent chemotherapy-induced alopecia.
October 2025 in “Phytochemistry Letters” August 2025 in “Biomaterials” In this study, researchers developed a novel therapy using the secretome of human fetal cartilage progenitor cells, which successfully regenerated functional hair follicles in animal models and significantly increased hair regrowth, suggesting potential as a new treatment for androgenic alopecia.
July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study found that a synthetic polyphenol, dimeric 1,2,4-benzenetriol (diBTO), can coat gray hair and gradually oxidize, creating a resistant brown layer similar to apple browning, which offers a practical hair dyeing solution that withstands washing and reduces the need for long dyeing sessions.
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.
April 2025 in “Antioxidants” In this study, the researchers found that the water-soluble fraction of Rhus semialata gall extract and its component Penta-O-Galloyl-β-D-Glucose promoted hair growth in human dermal papilla cells, and clinical trials supported these findings, showing improved hair density and appearance compared to placebo.
February 2025 in “Applied Sciences” This study found that extracts from heterotropic cultures of Scenedesmus deserticola JD052 enhanced hair-inductive properties in human dermal papilla cells more effectively than photoautotrophic extracts, likely through activation of AKT/β-catenin signaling, despite similar loliolide content.
February 2025 in “Chemico-Biological Interactions” In this study, researchers investigated how 5-fluorouracil (5-FU) impacts hair follicle cells, finding that it delays hair growth by inhibiting angiogenesis and β-catenin signaling. This discovery could help develop treatments for chemotherapy-induced alopecia in cancer patients receiving 5-FU.
This study found that protein hydrolysates from mealworms, especially those derived using flavourzyme, significantly enhance adipogenic differentiation in 3T3-L1 preadipocytes, suggesting their potential as sustainable ingredients for glycemic control, skin health, and tissue regeneration products.
January 2025 in “The World Journal of Men s Health” This study found that in male Wistar rats, finasteride administration reduced neural cellular activity markers and 5-alpha reductase type 2 expression in brain tissue, with some recovery occurring after drug withdrawal, unlike persistent 5-alpha reductase type 2 suppression.
January 2025 in “SSRN Electronic Journal”
August 2024 in “Biomolecules & Therapeutics” In this study, the researchers reported that a newly developed PYGL inhibitor, HTPI, enhanced hair growth in an ex-vivo culture by reducing oxidative damage in hDPCs and inhibiting glycogen degradation in hORSCs, showing potential as a treatment for hair loss comparable to minoxidil.
June 2024 in “Korean Journal of Pharmacognosy” This study found that taxifolin glycosides isolated from Rhododendron mucronulatum showed promise for developing treatments for male pattern hair loss by inhibiting DHT production and enhancing hair growth-promoting factors.
March 2024 in “Journal of Microbiology and Biotechnology” This study suggests that phloroglucinol may enhance anagen signaling and reduce oxidative stress-induced damage in human dermal papilla cells, offering a potential therapy for hair loss.
February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
January 2024 in “Journal of Medicinal Food” This study found that Nephelium lappaceum extract restored hair growth more effectively than finasteride in mice with testosterone-inhibited hair growth, suggesting its potential as a nutraceutical for hair growth.
January 2024 in “Biomaterials Research” This study found that human hair follicle dermal papilla cells cultivated as 3D spheroids in hexanoyl glycol chitosan-coated dishes formed hair-like structures, with minoxidil enhancing growth, and successfully integrated into artificial skin models, suggesting advancements for hair loss treatments and skin restoration therapies.
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.
November 2023 in “Research Square (Research Square)” This animal study found that finasteride, a 5-alpha reductase type 2 inhibitor, decreased dihydrotestosterone levels and c-Fos protein activation in the rat brain, but these effects may diminish after discontinuing the drug.
October 2023 in “Current Issues in Molecular Biology” In this study, researchers observed that the YH complex, made from Astragalus membranaceus and Cinnamomum cassia, promoted hair regrowth and increased hair shaft thickness in mice, potentially through increased growth factors and Wnt/β-catenin signaling, suggesting its use for treating various forms of hair loss.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that neonatal Regulatory T cells are crucial for maintaining PPARγ signaling in hair follicles, which supports melanocyte stem cell function and skin pigmentation during early postnatal development.
September 2023 in “Journal of the American Academy of Dermatology” Methylprednisolone treatment helps most alopecia areata patients, but young age, extensive hair loss, and low vitamin D can affect results.
August 2023 in “Journal of Investigative Dermatology” In this study, researchers found that Ganoderma Lucidum extract and Ganoderic acid A significantly improved hair follicle growth and delayed hair loss progression, based on in vitro, ex vivo, and 24-week human clinical trials, suggesting potential as a therapeutic for androgenetic alopecia.
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.
June 2023 in “Yaghag hoeji” In this study involving rat vibrissa follicles, U. japonica extract was found to enhance hair growth by increasing dermal papilla cell proliferation and accelerating the anagen phase but did not inhibit 5α-reductase activity, which is linked to androgenetic alopecia.