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 you're not The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Most people think GHK Cu is just a beauty peptide. But look at this Same person. Same lighting. Real skin change. GHK Cu works by activating repair genes in the body helping with GHK Cu is everywhere right now, but what does the science actually say? Read now: https: bit.ly 4r9Q8mJ This copper binding peptide has drawn attention for its potential role in skin repair, regeneration, and inflammation support.