Copper Peptides Before and After: Visible Skin Improvements Explained Hubmed Ghk cu results so far! This is only 3 weeks of using ghk cu 1 mg 5 days a week, also she added it to her tallow cream that she use Discover the Benefits of GHK CU for Your Skin Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum When Jennifer says she didn't know skincare could do this, we felt that. Real results from a real customer using BioGlo's GHK Cu Copper Peptides Serum. Formulated with 2% GHK Cu + Hyaluronic 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 the beginning. Consistency is