GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health These are the incredible and visible results of GHK Cu phototherapy patches. No injections (that burn so bad) or nose sprays (that stings) or pills needed (affected by your digestion). Just a patch ! 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care Morningstar Copper Peptide (GHK Cu) 2% Recovery Serum