NEW GHK Cu , Now Available at Carrington Medical, Healthier Skin. Thicker Hair. Real Science. , Were excited to offer GHK Cu (copper peptide) in our treatments the latest in regenerative GHK Cu Peptide Serum 30 ml, Copper Peptide Serum with Hyaluronic Acid for Tightening, Collagen Boosting GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more, , , Heres what it can do:, Boost collagen for smoother, firmer skin, Anti aging improves fine