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Green Tea EGCG: Now with Moisture Benefits

January 22, 2018 | Contact Author | By: Rachel Grabenhofer
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Keywords: EGCG | green tea | antioxidant | hydration | moisturization | skin whitening | anti-aging | catechin | polyphenol | natural | gene expression

Abstract: The powerful antioxidant properties of epigallocatechin gallate (EGCG) from green tea are legendary. What's not are their skin-hydrating and moisturizing benefits, as new findings from AmorePacific and Sungkyunkwan University, in Korea, suggest.

Research published in the International Journal of Molecular Sciences points to new skin care benefits from green tea-derived epigallocatechin gallate (EGCG). According to the article abstract, while the naturally occurring catechin and polyphenol found abundantly in green tea is well-known for its antioxidant properties, its effects on skin hydration were poorly understood.

Here, the authors used various assays to examine EGCG's mechanisms on hyaluronic acid synthase (HAS) and hyaluronidase (HYAL) gene expression, as well as antioxidant and anti-pigmentation properties.

EGCG was shown to increase the expression of skin's natural moisturizing factor-related genes, among other activities. In addition, its antioxidant activity helped to prevent radical-evoked apoptosis, and EGCG reduced melanin secretion.

These results suggest EGCG could be used as a cosmetic ingredient for skin hydration, moisture retention and the prevention of wrinkle formation.