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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.

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.

No direct link between matcha green tea and hair loss is proven.

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.

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.

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.

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.

This study evaluated green tea extract-loaded spanlastic formulations and found that a vesicle builder to edge activator ratio of 8:2 produced optimal characteristics, including a particle size of 419.70 nm, an entrapment efficiency of 60.85%, and a drug loading of 11.07%.

This study found that green tea extract showed more effective wound healing in rabbits with direct fire burns than an antibiotic ointment, particularly improving the skin's normal appearance and recovery rate.

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.

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.

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.

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.

This study developed a novel hair-straightening shampoo incorporating a polyphenol–inorganic sulfate redox agent, finding that it effectively straightens hair while enhancing strength and reducing damage due to its protective polyphenol coating.

In this study, a combined therapy of nicotinamide and green tea polyphenols was reported to improve EGFR inhibitor-related skin toxicity and patient quality of life, suggesting it merits further investigation.

In this study, researchers observed that more hairs are extracted from the follicle with intact root bulbs than breakage occurring along the fiber in treated versus untreated hair.

This study found that microneedles based on polyphosphazene with green tea polyphenols significantly enhanced wound healing in a diabetic rat model.

This article reviews the use of herbal ingredients in hair care products, highlighting their potential benefits for scalp health, hair growth, and condition, while also discussing challenges such as individual sensitivities and the importance of transparent labeling.

This review discusses natural and botanical products examined for treating alopecia and reports no clinical results; the authors note growing research interest in these treatments.

This review discusses the role of nutraceuticals in combating skin aging but reports no new clinical results, focusing on their mechanisms of action and potential effectiveness for dermatologists.

This review highlights the multifunctional benefits of plant-derived ingredients in skincare, such as antioxidant and anti-inflammatory effects, supported by biological evidence from medicinal plants like Camellia sinensis and Panax ginseng, suggesting their potential as natural dermocosmetic agents.

In this study, researchers developed and assessed two polyherbal hair tonic formulations, finding that Hair Tonic A containing 10% white tea extract improved hair thickness, manageability, and anti-frizz properties, particularly for blonde and black hair, while demonstrating greater stability compared to Hair Tonic B.

This review discusses the potential of phytochemicals from plants as alternative treatments for prostate cancer, highlighting their possible benefits over current 5-alpha-Reductase inhibitors, but reports no new findings.

This review discusses potential cosmeceutical treatments for hair loss, including ingredients like procyanidins and isoflavones, but does not present new clinical outcomes; the authors highlight the promise of further research.

This letter discusses the potential of green tea extract as a treatment for hirsutism but reports no clinical outcomes.

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.

This review explores plant-derived phytochemicals, such as phytosterols, polyphenols, and fatty acids, for their potential use as alternative treatments for prostate cancer, emphasizing their effects on 5-alpha-Reductase enzyme isozymes. It reports no new clinical results.

This review discusses the role of phytochemical nanoparticles in cervical cancer therapy and reports no new clinical results; the authors highlight their potential advantages over conventional chemotherapy.

This study reported that green tea extract may promote the excretion of copper into the hair in mice.

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.