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Park JM, et al

For example, L-ascorbic acid, a form of vitamin C found in many skin care products, degrades when it is exposed to heat, a high pH or sunlight, she said which can happen during transit and storage. And then theres the question of sufficient penetration into the skin barrier to allow Vitamin C to do what it needs to do to truly promote your skin health

The NADPH generated in red blood cells reduces oxidized glutathione, a tripeptide of sequence -glu-cys-gly, to the sulfhydryl form, catalyzed by glutathione reductase

Glutathione is naturally produced by the body and is also found in various foods, such as fruits and vegetables

With all of these impressive benefits, it's no wonder that glutathione has become such a popular ingredient in the beauty industry