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By using 1% Pure Crystalline GHK-Cu , we ensure your skin receives the clinical dose proven in studies to remodel the skins structure, not just hydrate the surface

Published large human clinical-trial data is not available, so consumer time to results framings sit outside the public regulatory evidence base

PubMed record Spth-Schwalbe E, Schfer A, Uthgenannt D, Born J, Fehm HL

Researchers are responsible for maintaining proper laboratory handling procedures after receipt

With sterile water, the usable window shrinks to a single session

Researched for Preclinical (mouse-only) metabolic research as a selective inhibitor of NNMT (nicotinamide N-methyltransferase)