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 In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum GHK Cu: The Peptide That Rebuilds, Repairs & Rejuvenates Boston Health Longevity GHK Cu + Epitalon (Epithalon) When it comes to advanced regenerative and longevity medicine, peptides are powerful toolsand two of the most studied are GHK Cu and Epitalon. GHK Cu (Copper Peptide)