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Green tea's potent phytochemicals, especially green tea polyphenols (catechins), have been shown to be highly effective protectors against skin cancer, as well as providing other beneficial effects. Green tea works both when consumed as a beverage and applied topically, according to a 1994 report.
According to the report, applying benzoyl peroxide (commonly used in
acne medications) to skin has been shown to quickly promote tumors.
Applying green tea topically to the same area prior to the
application of benzoyl peroxide significantly protects against such
skin tumours. Green tea, according to the same report, also protects against the sun's ultraviolet rays when both applied topically and consumed as a beverage. The report concludes that "green tea may reduce the risk of some forms of human cancer induced by solar radiation." In a recent (2001) study, topical application of green tea polyphenols to the skin of human volunteers clearly reduced the ability of sunlight to cause sunburn and reduced the ability of sunlight to damage the DNA of skin cells. [ How Green Tea Works ] How does green tea offer so much protection? Green tea's polyphenols increase the performance of a number of the body's most important detoxification enzymes, including catalase and glutathione peroxidase. Not only do glutathione, peroxidase and catalase provide the body with cancer fighting protection, green tea's polyphenls are estimated to be twenty times more potent than even vitamin E, one of the body's most important antioxidants and cancer protectors. [ Green tea offers other substantial benefits ] It is a natural astringent and antibacterial agent that can help to detoxify and purify the skin at the same time that it helps to ward off the ravages of sun-related skin ageing. The skin is an important first line of defence for the body's immune system - it has mechanisms to prevent infectious bacteria and viruses from gaining entry into the body from the outside environment. Green tea has been shown to protect the most important component of the immune system in the skin - cells named Langerhans cells - from the damage radiation damage. For
anyone who uses alpha hydroxy acid products, green tea also helps to
prevent irritation of the skin caused by glycolic acid and other
irritating chemicals used in alpha-hydroxy acid products. According
to some experts, green tea may even have anti-cellulite properties. The antioxidents contained in green tea have been shown as very beneficial to acne prevention because they help the body fight against free radicals that cause cell and tissue damage. Green tea also has very few potential side effects, especially when compared to other acne products and medications.
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