Copper Peptide (GHK Cu) 2% Recovery Serum 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 Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Okay but Ive only been using GHK Cu for 2 weeks and Im already noticing my skin looking firmer and my fine lines softening. I wasnt expecting to see results this fast but Im loving the glow. DM