GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Hydra Needle Microneedling with GHK Cu & SNAP 8 Peptide Skin Tightening Guide Miami, Beverly Hills, NYC 2 weeks in on GHK Cu and the glow is REAL. Brighter complexion More even skin tone Less breakouts Softer fine lines Thicker, fuller hair This is just GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging