Amazon.com: Lovely Southern GHK Cu Peptide Serum 1.5% Copper Peptides Anti Aging Facial Serum for Fine Lines, Skin Elasticity, Made in USA, 1 Fl Oz : Beauty & Personal Care GHK Cu Spray (100mg Per Bottle) Modified Aminos Copper Peptide (GHK Cu) Serum Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found