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For the peptide's mechanism and research bibliography, visit the GHK-Cu peptide page
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One clinical study used 1.5mm needles rolled until mild erythema appeared, followed by immediate peptide application
The time it takes for digestive enzymes to work is very short, so having at least 60 minutes between consuming enzymes and glutathione is preferred
The 31.6% wrinkle volume reduction measured at 8 weeks continued improving through 12 weeks (Pickart & Margolina, 2018)
The liver protects itself from harmful oxidative reactions by producing glutathione inside its cells
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