15 citations
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December 2018 in “International journal of environmental research and public health/International journal of environmental research and public health” This study observed that Epigallocatechin-3-gallate (EGCG) can inhibit phosphorylation of STAT1 and reduce a specific subset of immune cells in vitro and ex vivo, suggesting a potential role in maintaining immune privilege in alopecia areata.
4 citations
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March 2023 in “Molecules/Molecules online/Molecules annual” This study successfully extracted gallic acid and ferulic acid using a biocompatible aqueous two-phase system, suggesting a sustainable approach for producing antioxidants as food supplements for hair health.
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.
32 citations
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November 2004 in “Journal of pharmaceutical sciences” This study quantifies the follicular uptake of tea tree oil in bovine udder skin, with microemulsion showing the highest concentration among different formulations tested.
29 citations
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August 2020 in “Parasitology” This review found that tea tree oil, especially terpinen-4-ol, may be the most effective treatment for Demodex-related diseases, but more research is needed to improve treatment efficacy and reduce side effects.
13 citations
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August 2021 in “Journal of Cosmetic Dermatology” This study found that Camellia sinensis (tea) extracts may protect hair from UV-induced damage and color change, with efficacy linked to higher concentrations of key compounds like catechins.
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.
12 citations
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May 2013 in “International Journal of Dermatology” This study found that a non-ionic ethosomal carrier system significantly improved the delivery and adsorption of black tea extracts onto hair surfaces in vitro, suggesting its potential as a hair dye and protective agent.
5 citations
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January 2013 in “PubMed” This study found that applying Lavender and Tea tree oils locally reduced hirsutism severity and hair thickness in women with mild idiopathic hirsutism more than a placebo over three months.
4 citations
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December 2023 in “Advanced science” This study found that injectable gelatin/metal/tea polyphenol double nanonetworks significantly accelerated wound healing in diabetic wounds by enhancing cell migration and providing anti-inflammatory and antioxidant properties, without detectable cytotoxicity in tests.
1 citations
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January 2024 in “Asian Journal of Microbiology Biotechnology and Environmental Sciences” This review examines the growing global demand for diverse tea products, highlighting their health benefits and the economic challenges tea-producing countries face, while also exploring the rise of tea-based nutraceuticals, confectionery, toiletries, and cosmeceuticals.
1 citations
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January 2023 in “Pharmacophore” This review examines the role of Epigallocatechin Gallate in aging epigenetics but reports no new research findings.
1 citations
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December 2022 in “Türk tarım - gıda bilim ve teknoloji dergisi” This review discusses the diversification of tea products and their associated health benefits, highlighting the economic challenges faced by tea-producing countries and the global marketing strategies of the tea industry, but reports no new experimental findings.
1 citations
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May 2022 in “Pharmaceutics” This study found that a developed nanostructured lipid carrier formulation of tea seed oil can effectively stimulate hair growth and reduce the oily feeling associated with direct application.
1 citations
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January 2004 in “China Surfactant Detergent & Cosmetics” This study found that tea-seed saponin modified silicone polymer quaternary ammonium salt significantly improves hair conditioning performance in both dry and wet states when used in shampoo formulations.
January 2026 in “Pharmaceutical Development and Technology” This study found that nanostructured lipid carriers containing tea seed or lavender oil improved hair regrowth in female Wistar rats over 30 days, showing greater effectiveness compared to a commercial product and placebo, attributed to enhanced follicular penetration and stability.
In this study, researchers reported that topical nanostructured lipid carriers containing tea seed or lavender oil significantly enhanced hair regrowth in female Wistar albino rats over 30 days compared to placebo, with increased hair length and follicular density observed.
This study in female Wistar albino rats found that Pluronic F127-stabilized nanostructured lipid carriers with tea seed or lavender oil significantly increased hair regrowth and follicular density compared to placebo, showing enhanced efficacy over a commercial product in promoting hair growth.
August 2025 in “Nanomaterials” This study found that tea polyphenol–zinc significantly improved intestinal barrier function and reduced liver inflammation and oxidative stress in mice with diquat-induced damage.
December 2024 in “Proceeding International Collaborative Conference on Multidisciplinary Science” In this study, researchers developed a shampoo using ambon banana peel and green tea leaves, reporting that it showed positive characteristics and was safe for addressing hair loss, with optimal viscosity levels achieved in certain formulations.
September 2020 in “International journal of current pharmaceutical research” This study found that herbal creams containing tea tree oil significantly reduced hair growth in mice with hirsutism, while those containing reishi extract or both were less effective.
December 2015 in “Dermatologic Therapy” This article compares the efficacy of topical tea and zinc sulfate in treating acne rosacea but does not present new clinical results.
108 citations
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November 2006 in “Phytomedicine” This study found that EGCG from green tea may stimulate human hair growth by promoting the proliferation and anti-apoptotic activity in dermal papilla cells.
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.
20 citations
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July 2015 in “Journal der Deutschen Dermatologischen Gesellschaft” This review summarizes the anticarcinogenic, anti-inflammatory, and other health effects of green tea, noting its historical and ongoing use in dermatological and cosmeceutical applications, but reports no new clinical results.
19 citations
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September 2009 in “PubMed” This case report highlights a patient who developed acute hepatitis after consuming an oral green tea derivative for hair loss, with recovery following the cessation of the product.
13 citations
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December 2017 in “BMC Complementary and Alternative Medicine” In this study, the herbal complex of Houttuynia cordata, Perilla frutescens var. acuta, and green tea promoted hair growth in C57BL/6 mice, enhancing regrowth and follicle development compared to controls.
8 citations
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January 2021 in “Advances in Traditional Medicine” In this study, black tea kombucha with and without MSM significantly improved hair density and length in mice, suggesting its potential as a natural hair regrowth treatment.
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.
5 citations
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February 2013 in “PubMed” This review discusses the potential dermatological benefits of green tea, indicating promising results but noting that the efficacy of its oral and topical uses hasn't always been confirmed.