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 Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu 99% Pure Copper Peptides (ghk cu) Great for DIY 1 Gram Etsy GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact GHK Cu Peptide Therapy for Radiant Skin by Desert Mobile