How to look much younger within a year GHK Cu is one of the most studied skin peptides on the planet, it stimulates collagen production, improves firmness, and helps skin recover from damage. LVLUP Health GHK Cu Oral Copper Peptide Capsules Holistic Lifestyler Bunbury Chiropractic Services & Supplement Store NEW at Apex Nutrition Introducing GHK Cu (Copper Peptide) one of the most advanced peptides in recovery and rejuvenation science. Promotes skin + tissue repair Supports collagen + GHK Cu LVLUP Labs