6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health Have you heard of GHK Cu? It's one of our favorite regenerative peptides right now. This copper peptide was originally discovered in human plasma and plays an important role in skin repair and