GHK Cu Peptide Before and After Results 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates Subcutaneous Injection: What It Is and How to Give One The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu Focal Point Vitality Cellular Glow Copper Peptide GHK Cu Serum for Face