April 2011 in “Cancer Research” In this study, ginsenoside 20(S)-protopanaxadiol-aglycone (PPD) was shown to downregulate androgen receptor expression and inhibit tumor growth in prostate cancer cells.
September 2025 in “Journal of Maxillofacial and Oral Surgery” This study found that combining PRP with concentrated growth factors was more effective than PRP alone in promoting hair regrowth for patients with androgenetic alopecia.
August 2021 in “Journal of Investigative Dermatology” In this study, activated PRP injections appeared to promote hair growth in AGA-affected scalp skin transplanted onto mice, compared to non-activated PRP.
April 2024 in “European Journal of Dermatology” This study suggests that the PPP2R3C gene may confer susceptibility to psoriatic arthritis and psoriasis vulgaris in Chinese patients, with additional possible associations involving IL-23R, ERN1, IFIH1, and KIF3A genes.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that N-acetyl-GED may protect and partially rescue human hair follicles from experimentally-induced epithelial-mesenchymal transition ex vivo, suggesting its potential in treating scarring alopecias like lichen planopilaris.
1 citations
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November 2020 in “Journal of The American Academy of Dermatology” This study highlights criticisms of existing research on PRP as a treatment for androgenetic alopecia, noting small sample sizes, lack of controls, subjective result analysis, and varied methodologies.
April 2018 in “Radiotherapy and Oncology” Prostaglandin helps regenerate hair follicles after radiation damage.
April 2023 in “Journal of Investigative Dermatology” In this study, the KPAI and KP-IGA scoring systems for assessing keratosis pilaris showed excellent interrater and intrarater reliability, offering standardized measures for clinical and research use.
4 citations
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March 2016 in “Dermatologic Surgery” PRP treatment increased hair density, especially in men and younger patients with AGA.
18 citations
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October 2021 in “Frontiers in Physiology” This review summarizes recent research on the molecular properties and functions of L-PGDS and PGD2, but reports no new findings, highlighting their pathophysiological roles and guiding future studies.
December 2022 in “Plastic and Reconstructive Surgery” In this study, PRPF treatment was more effective than PRP alone in improving hair count and hair quality in androgenetic alopecia patients, with PRPF showing significant improvements in various hair growth parameters and having no statistical differences observed in the placebo group.
14 citations
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March 2017 in “Brain research” This study suggests that ovarian cycle-related progesterone and neurosteroids regulate α2-subunit expression of GABA-A receptors in the hippocampus through a pathway independent of progesterone receptors, potentially affecting brain conditions linked to the menstrual cycle.
This article explores the potential applications of polyglutamic acid in cosmetics, discussing its benefits for skincare and haircare, but reports no new experimental results.
August 2026 in “Prostaglandins & Other Lipid Mediators” This review suggests that imbalance in prostaglandin levels may contribute to androgenetic alopecia, highlighting prostaglandins as potential biomarkers and therapeutic targets for the condition.
57 citations
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February 2014 in “Experimental Dermatology” This review discusses the role of Prostaglandin D2 and its synthase in androgenetic alopecia but reports no new clinical findings, suggesting pathways for future therapeutic development.
3 citations
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January 2005 in “Biological & Pharmaceutical Bulletin” This study reports that the peptide GPIGS, found in Bacillus sp. M18 conditioned medium, may promote hair growth through the PI-3K/Akt pathway and accelerate hair regrowth in mice.
216 citations
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June 2015 in “PLANT PHYSIOLOGY” This study found that OsPHR3 overexpression in rice led to significant tolerance to low-phosphorus stress and normal growth under normal conditions, suggesting its potential for improving phosphorus uptake efficiency.
May 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Prostaglandin D2, found in higher levels in bald scalps, stops hair growth, suggesting that blocking its receptor could potentially treat hair loss.
January 2010 in “Acta Universitatis Medicinalis Nanjing” This study found that progesterone increased the survival of newborn neurons and enhanced spatial learning and memory in adult male mice, independent of neuron production changes.
January 2024 in “Biological & pharmaceutical bulletin” In this study, Panax ginseng extract and its ginsenosides were found to stimulate the proliferation of hair-related cells and promote the transition from the telogen to the anagen phase, enhancing hair-shaft growth by suppressing BMP4 expression in human dermal papilla cells.
March 2024 in “Journal of Cosmetic Dermatology” This study found that pretreating concentrated growth factor with a 640 nm laser increased CD34+ stem cell activation and improved hair growth outcomes in androgenetic alopecia patients compared to non-pretreated CGF.
April 2019 in “Journal of Investigative Dermatology” The study suggests that variability in platelet-derived growth factors in PRP is influenced by both patient-to-patient differences and the devices used for PRP preparation, contributing to inconsistent clinical outcomes in hair loss treatments.
51 citations
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May 2004 in “American journal of ophthalmology” This study reports that poliosis can be an adverse effect of topical prostaglandin F2α analog therapy in patients treated for primary open angle glaucoma.
24 citations
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August 2017 in “Prostaglandins & Other Lipid Mediators” This review discusses the potential roles of prostaglandin D2 and its receptor CRTH2 in various diseases beyond allergies and asthma and reports no new clinical results.
January 2016 in “Hair transplant forum international” This abstract discusses platelet-rich plasma, focusing on its composition and potential to stimulate cellular repair and regeneration, but reports no new research findings.
January 2020 in “ISP medicine” This review discusses the clinical treatment progress and future application prospects of platelet-rich plasma for androgenetic alopecia but reports no new clinical results.
January 2016 in “Más dermatología” This review discusses the expanding use of platelet-rich plasma (PRP) in chronic ulcer treatment and aesthetics but reports no new clinical findings; PRP's composition, including growth factors, relates to tissue repair and potential hair growth.
1 citations
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April 2016 in “Journal of Investigative Dermatology” In this study, PGD2 treatment in keratinocytes increased testosterone production via reactive oxygen species, suggesting a potential role for the NRF2 pathway in androgenic alopecia treatment strategies.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” This pilot study suggests that a new preparation of platelet-rich plasma gel may improve symptoms and tissue regeneration in patients with en coup de sabre scleroderma, though further trials are needed to clarify its role.
13 citations
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January 2020 in “Experimental Dermatology” This pilot clinical trial suggests that platelet-rich plasma (PRP) treatment may increase hair density in patients with androgenetic alopecia, though outcomes varied between patients.