Green tea, one of the world’s most popular beverages, is celebrated not only for its refreshing aroma and delicate flavor but also for its exceptional nutritional profile. Produced through a process of heating, rolling, and drying, green tea is distinguished from other tea varieties by its lack of fermentation. This minimal processing allows it to retain higher concentrations of bioactive compounds, notably **green tea polyphenols (GTPs)**, including catechins and the amino acid **L-theanine** [1].

The natural components of green tea have garnered increasing validation from both traditional wisdom and modern scientific research. Recent studies highlight GTPs’ **prominent antioxidant properties**, which effectively neutralize reactive oxygen species (ROS) to mitigate oxidative damage to proteins, lipids, and DNA within the body [2]. Notably, catechins exhibit antioxidant efficacy **25–100 times stronger** than vitamins C and E. These compounds help alleviate acne and inflammation caused by oxidative stress while supporting skin homeostasis, enhancing elasticity, and improving hydration and radiance [1, 3].

Furthermore, green tea polyphenols demonstrate **sunscreen-like benefits** by shielding the skin from solar radiation. GTPs absorb light across the entire UVB spectrum as well as portions of the UVC and UVA spectra, thereby reducing UV-induced skin inflammation and counteracting erythema, pigmentation, textural roughness, and freckling [4].

• Antioxidant
• Improves Skin Condition
• Sunscreen Effect

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**This article is for reference purposes only. It is not intended to provide professional treatment or medical care or prevent any disease. Please consult with healthcare professionals regarding any concerns.

Reference：

1. Di Sotto, A., Gullì, M., Percaccio, E., Vitalone, A., Mazzanti, G., & Di Giacomo, S. (2022). Efficacy and Safety of Oral Green Tea Preparations in Skin Ailments: A Systematic Review of Clinical Studies. Nutrients, 14(15), 3149. https://doi.org/10.3390/nu14153149
2. OyetakinWhite, P., Tribout, H., & Baron, E. (2012). Protective mechanisms of green tea polyphenols in skin. Oxidative medicine and cellular longevity, 2012, 560682. https://doi.org/10.1155/2012/560682
3. Khan, N., & Mukhtar, H. (2008). Multitargeted therapy of cancer by green tea polyphenols. Cancer letters, 269(2), 269–280. https://doi.org/10.1016/j.canlet.2008.04.014
4. Nichols, J. A., & Katiyar, S. K. (2010). Skin photoprotection by natural polyphenols: anti-inflammatory, antioxidant and DNA repair mechanisms. Archives of dermatological research, 302(2), 71–83. https://doi.org/10.1007/s00403-009-1001-3