Social distancing and COVID 19: A law of diminishing returns The Source WashU Effects of GHK Cu on MMP and TIMP Expression, Collagen and Elastin Production, and Facial Wrinkle Parameters I Reviewed Over 100 Peptide StudiesThese 4 Findings Stood Out the Most GHK Cu is the compound your body made at 25 and quietly stopped making., Most people find it in overpriced serums. Few understand what it actually does, or what happens when youre not careful., Watch Can You Use GHK Cu Peptides with Vitamin C Serum? Expert Guide GHK Cu (Copper Peptide) , Comment EVOLVE Ill send you the free guide + private Discord, Follow @recompscience.usa to learn more about research compounds, For laboratory research & educational