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Leaves skin soft, smooth and refreshed

Determining the Change in pH of TSB and 1 PBS as a Function of GSH Concentration Glutathione powder was weighed and directly dissolved into TSB (pH 7.18) and 1 PBS (137 mM NaCl, 2.7 mM KCl and 10 mM phosphate, pH 7.41) solution at room temperature under sterile conditions (bio-safety cabinet) to give 10, 20, and 30 mM of GSH

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Since it is a water-soluble vitamin and your body uses just what it needs at that time and eliminates the excess through the bodys normal waste process, it cannot build up in your system

Journal of Investigative Dermatology 134(11):2975-2977. [doi.org]

Skin looks more hydrated, plumped, and refreshed