Some people notice their skin looks worse before it improves with GHK Cu. This temporary phase is often called the copper uglies., #skincare, #ghkcu, #skinhealth, #longevity, #peptides Injectable GHK Cu: Beginner's Guide to Copper Peptide The difference between our Copper Peptides and GHK Cu GHK Cu is one specific copper peptide molecule great for signaling repair and collagen support. Our Copper Peptide formula goes beyond just GHK Cu Skin Cream Proven Collagen & Anti Aging, $279