GHK Cu 100mg (10 vials) GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As Gii m cn st ng Peptide trong sn phm chm sc da GHK Cu Peptide Regenerative & Cosmetic Research GHK CU 50 mg Superior Chains Research Labs GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin repair, and