Did you know that GHK Cu is a natural naturally occurring copper complex in the body that decreases with age? Benefits of GHK Cu Reverses thinning tightens loose skin Improves firmness, elasticity, GHKCu Copper Peptide Therapy Skin & Healing Regeneration Transform Your Skin with GHK Cu Benefits Defy 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 GHK Cu: Effective Anti Aging Skincare Ingredient Nugenyx ReMed HydraPen (GHK Cu) Bltt kobberpeptidserum (2x5 ml) FillerDepot