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.
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.
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.
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.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” This study found that using natural polyphenol cross-linkers like tannic acid and green tea extract during perm treatments improved perming efficiency, wave maintenance, and hair protection compared to a control group.