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Exploring peptide-based compounds in scientific research has increased interest in synthetic analogs that may impact physiological processes

Though it is mostly an emollient that helps soften and hydrate skin, it also has some humectant and occlusive action

Researchers are also interested in glutathione because natural levels may decline with age and during periods of increased oxidative stress

For example, athletic trainers must understand the action of numerous drugs, many of which are esters, amines, or amides like those mentioned in this chapter

With glutathione, studies show that skin color returns to its original state relatively quicklywithin weeks to months after discontinuation