GHK Cu Decision Tree: Should You Start This Peptide? (Simple Guide for Beginners) : r PeptideProgress What time of the day do I take GHK CU? #ghkcu #mt2 #bp #transformation 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 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Biossance