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Research Use Disclaimer The compounds distributed by USA PEPTIDE SCIENCES , including GHK-Cu 1g raw topical-grade powder, are designated strictly for laboratory research purposes only

Studies have documented increased nocturnal growth hormone release following DSIP administration, potentially explaining some of the peptide's restorative effects given GH's critical role in tissue repair and metabolic regulation during sleep

Here's what studies have consistently shown: Wrinkle Reduction and Skin Tightening Multiple double-blind clinical trials have demonstrated that GHK-Cu reduces the depth of fine lines and wrinkles, with improvements in the 3050% range after 12 weeks of consistent topical application in higher concentrations