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 Copper Peptide Skincare Bundle RegenMed Direct GHK Cu Peptide Serum EQLibrium The best anti aging product for your skin, hair, and nails. GHK Cu is a natural occurring copper peptide that your body produces. But we produce less as we age. Leading to less firm and hydrated