Does GHK Cu actually mess with other peptides or is it more about how things are formulated? From what I've been learning, most of the issues people talk about come down to GHK CU Crepey Skin Escape Platinum Skin Care GHK Cu Peptide: What It Does for Body Composition and Metabolic Health ANAIRUI Copper Peptides GHK Cu Serum Neurogan GHK Cu (Copper Peptide) Neck & Face Serum Bangladesh Ubuy GHK CU 100mg Cellgenic