GHK Cu is more than a skincare trend its a copper peptide involved in repair, regeneration, and cellular signaling., This peptide has been studied for its connection to collagen production, skin Peptides: The growing W E L L N E S S trend that everyone is talking about! You may have heard about BPC 157 and GHK Cu two peptides gaining attention in The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline How long will a 50 mg supply of GHKCu last when dosing 2 mg daily for five consecutive days followed by two days off each week? If You're in Midlife and Feeling Stuck Read This. Hip2Save Can You Use GHK Cu Peptides with Vitamin C Serum? Expert Guide