GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Cu Peptide Before and After: What to Expect for Skin and Hair GHK Cu Peptide: What It Does for Body Composition and Metabolic Health 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 Peptide GHK CU Cream Concierge MD Seattle GHK Cu Peptide for Skin and Aesthetics