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Green Tea Extracts as Photoprotective Agents:
In article by Elmets et in the Journal of the American Academy of Dermatology, 2001, Elmerts and colleagues reported on the use of a proprietary green tea extract applied to the skin to protect against measured doses of ultraviolet light. Elmerts evaluated a preparation containing four different green tea polyphenols. The study demonstrated that a topically applied preparation of two of the components, ECG and EGCG, were effective in reducing some of the harmful effects of Ultraviolet in a number of ways.
Elmerts study demonstrated that topically applied ECGC from green tea did not act as a sunblock, but rather protected the skin cells from damage to the DNA caused by ultraviolet light. Skin that was pre-treated with ECGC developed fewer 'sunburn' cells that have injured DNA and retained more of the immune Langerhans cells that are diminished by ultraviolet light.
It should be remembered that this is a small study and that drinking green tea has not been proven to protect against sunburn. In addition, green tea topical products are only partially effective against ultraviolet damage and should not be used instead of a sunscreen.
Green tea may be used as a complement to regular sunscreen products.
Some of the products now on the market such as Alba Hawaiian Sunscreen SPRF 30+, Green Tea contain traditional sunscreen skin care product ingredients including Octinoxate, Oxybenzone, Homosalate, Octisalate and Avobenzone 3.0%, but also contain Camellia Sinensis (Green Tea) Leaf Extract.
more on Green Tea and Ultraviolet Light Protection
Read about Green Tea and
Skin Care Products
How much do we really know about our favorite cosmeceutical ingredients?
J Clin Aesthet Dermatol.
2010 Feb;3(2):22-41. Levin J, Momin SB.
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In the Media on Tea!
Kombucha is steeped in controversy
The fermented tea drink looks like 'probiotic' health food to some, moldy risk to others
By Laura Vozzella
The Baltimore Sun
June 23, 2010
Herbal teas, including all the teas discussed in these pages, should not be consumed by persons who are pregnant or nursing, unless approved by your health care provider. Herbal teas may vary in their ingredients and some herbal tea components may interfere with other important medications. For example, there is some concern that green tea ingestion during pregnancy may reduce the absorption of folate, an important nutrient in fetal nervous system development.
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