Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference Neurogan Health GHK Cu Copper Peptide Face Cream (Ingredients Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications PDF) The Effect of the Human Plasma Molecule GHK Cu on Stem Cell Actions and Expression of Relevant Genes These are the incredible and visible results of GHK Cu phototherapy patches. No injections (that burn so bad) or nose sprays (that stings) or pills needed (affected by your digestion). Just a patch ! Copper peptide GHK Cu Wikipedia