12 citations
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June 2024 in “Nutrients” In this review, researchers highlighted that natural polyphenolics like flavonoids and resveratrol may help enhance testosterone production in aging males by boosting the expression of the Star gene in Leydig cells, potentially preventing age-related degenerative conditions linked to testosterone insufficiency.
188 citations
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December 2020 in “Foods” This review explores the potential health benefits of food bioactive compounds, specifically polyphenols, as preventive agents against non-communicable diseases like cancer and cardiovascular disorders, while also addressing challenges like bioavailability and industrial applications.
16 citations
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June 2019 in “Industrial Biotechnology” In this study, researchers found that the conventional solvent extraction method yielded the highest polyphenol content and antioxidant activity from Ascophyllum nodosum seaweed on Québec's North Shore.
13 citations
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June 2005 in “PubMed” In this study, 33% of mice treated with polyphenol extract from green tea showed significant hair regrowth, while no control group mice exhibited hair growth.
11 citations
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November 2015 in “Journal of Functional Foods” This study found that the ethyl acetate fraction of Hibiscus rosa sinensis petals significantly reduced serum glucose and glycated hemoglobin levels in diabetic rats, with effects comparable to metformin.
10 citations
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November 2014 in “Journal of Dermatological Treatment” This review examines clinical trials on polyphenol-based therapies for dermatological conditions, suggesting potential benefits for anogenital warts, alopecia, and acne, but calls for more rigorous trials.
8 citations
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February 2025 in “Pharmaceuticals” This source reviews the potential of polyphenols as therapeutic and preventive treatments for common skin disorders such as acne, fungal infections, dermatitis, alopecia, and skin cancer, emphasizing their anti-inflammatory and antimicrobial effects and ability to penetrate the skin barrier.
This source reports that in adults with non-scarring alopecia, polyphenolic interventions significantly improved hair density and total area hair count compared to controls, although considerable variability was present in results, highlighting the need for further research.
This systematic review and meta-analysis found that polyphenolic interventions significantly improved hair density and total area hair count in adults with non-scarring alopecia, but substantial heterogeneity was observed.
This study evaluated the efficacy of polyphenolic compounds for hair growth in adults with non-scarring alopecia and found that these interventions significantly improved hair density and total area hair count compared to controls, although results were not significantly different from minoxidil.
26 citations
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November 2002 in “Planta medica” In this study, the methanol extract of Cercidiphyllum japonicum heartwood was found to stimulate the proliferation of mouse hair epithelial cells, with several isolated compounds showing significant proliferative activities.
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.
November 2021 in “Natural product research” This study observed that the aqueous extract of roasted Alocasia macrorrhizos tubers led to hair follicle repigmentation and reduced epidermal thickness in a murine model of Vitiligo.
October 2017 in “The Japanese Biochemical Society/The Molecular Biology Society of Japan” Some natural compounds might help hair grow.
18 citations
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January 2000 in “Food Science and Technology Research” In this study, partially purified apple polyphenols were found to inhibit preadipocyte differentiation in mouse cells by reducing GPDH activity and triglyceride accumulation.
12 citations
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March 2022 in “Antioxidants” This study found that encapsulating tamarillo polyphenols in cubosome nanoparticles protected them during digestion and enhanced the nutritional and antioxidant properties of yoghurt when used as a delivery system.
1 citations
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September 2025 in “Archivio Italiano di Urologia e Andrologia” In this study, the combination of Serenoa repens extract with Phenolmicin P3 and Bosexil suppositories significantly improved lower urinary tract symptoms and decreased PSA levels in patients with benign prostatic obstruction-related symptoms.
October 2012 in “Humana Press eBooks” This article discusses the historical and current uses of grape seeds in various industries but reports no new research findings.
19 citations
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November 2018 in “Nutrients” This study reports that polyphenols from Annurca apples may safely promote hair growth and protect against chemotherapy-induced alopecia without interfering with chemotherapy regimens.
18 citations
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October 2018 in “Nutrients” This study found that Annurca apple polyphenolic extracts reprogram hair follicle metabolism in mice, enhancing mitochondrial activity and keratin production while inhibiting some metabolic pathways.
8 citations
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January 2012 This review compiles scientific evidence on the effects of green tea polyphenols on cosmetic issues like aging and acne, but reports no new clinical results.
July 2024 in “Fitoterapia” This study found that Camellia oleifera seed shell polyphenols and 1,3,6-tri-O-galloylglucose improved androgenetic alopecia symptoms in mice by reducing DHT levels and activating specific hair growth pathways.
May 2024 in “KIU journal of health science” In this study, kolaviron and quercetin were found to reverse elevated biomarkers associated with testosterone-induced benign prostatic hyperplasia in Wistar rats, with both treatments effectively increasing HDL-c levels, though quercetin did not significantly affect triglyceride levels.
4 citations
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June 2025 in “Molecules” This review evaluates traditional uses, phytochemical profiles, and pharmacological activities of Mediterranean Erica species, revealing the wide range of bioactive compounds and highlighting their antioxidant, anti-inflammatory, and antimicrobial activities. Further studies are suggested to fully understand their medicinal potential.
1 citations
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May 2025 in “Preprints.org” This review evaluates the traditional uses, phytochemical profiles, and pharmacological potential of Mediterranean Erica species and reports no new clinical results, highlighting the need for further studies.
1 citations
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January 2023 This article reviews the potential benefits of functional foods and natural products for skin and hair health but presents no new clinical findings.
165 citations
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February 2014 in “Phytotherapy Research” Myrtle has various health benefits and potential for medicine development.
86 citations
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January 2008 in “Journal of nutritional & environmental medicine” This review examines the health benefits of green tea, focusing on catechins, but reports no new findings; the authors emphasize potential benefits for conditions like cancer, heart disease, and diabetes.
67 citations
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November 2019 in “Molecules” This review collected findings on the various cosmetic and therapeutic properties of tea extracts, highlighting their antioxidant, anti-inflammatory, and photoprotective effects among other benefits for skin and hair care.
45 citations
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July 2022 in “Frontiers in Pharmacology” This review discusses the mechanisms and targets of natural products for treating nonhealing wounds and reports no new experimental results, highlighting potential pathways and cytokines involved.