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Tags: Tea polyphenols

Tea polyphenols, UV “filter”

Tea polyphenols, UV “filter”

Tea polyphenols, UV “filter” The ultraviolet rays are absorbe by the skin.the blood vessels dilation.and acute symptoms ,like redness and blisters appear. Long-term exposure causes melanin deposition in the epidermis and promotes skin aging.The ultraviolet rays are injure in the dermis of the skin, it will dry and form small breaks. The outside is a small wrinkle. Polyphenols are a kind of natural products that have strong absorption in the ultraviolet light region. Tea polyphenol...

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