Tags: anti | aging | remedies | skin

Unmasking how Anti-aging Remedies Work

Thursday, 16 Aug 2012 05:31 PM




A team of scientists has determined how cosmetic chemical peels and wrinkle-reducing creams work to enhance skin appearance.
University of California-Davis researchers, working with colleagues at Peking University, have discovered the underlying mechanism that explains how alpha hydroxyl acids (AHAs) -- the key ingredient in anti-aging remedies – work on the cellular level. The findings, published in the Journal of Biological Chemistry, could lead to even better cosmetic formulations as well as have medical applications.
The researchers noted AHAs are essentially weak acids – typically derived from natural sources such as sugar cane, sour milk, apples and citrus – used in the cosmetics industry to enhance the appearance and texture of skin. But, before this latest study, little was known about how AHAs actually cause skin to flake off and expose fresh, underlying skin.
In experiments that involved recording electrical currents across skin cells exposed to AHAs, researchers determined how the AHA glycolic acid enters outer layers of skin tissue and creates acidic conditions within cells. This in turn causes a reaction that leads to cell death and skin exfoliation.
"Although AHAs have been used for years, no one until now understood their likely mechanism of action," said Jie Zheng, professor of physiology and biology at UC-Davis.
The researchers speculated that the process they discovered may also be involved in a variety of other important physiological functions, including pain control.

© HealthDay

 
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Scientists have determined how cosmetic chemical peels and wrinkle creams enhance appearance.
anti,aging,remedies,skin
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2012-31-16
Thursday, 16 Aug 2012 05:31 PM
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