Are GHK Cu Injections Safe Enough? Alternatives Options Neurogan Health Injectable GHK Cu: Beginner's Guide to Copper Peptide 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 Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Cu Peptide Progress: Week 3 Results