Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density. This peptide reverses aging, And its been hiding in plain sight for decades., GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there., Heres what it does:, Figure 2 from GHK Copper Peptide in Skin Remodeling and Anti Aging ! GHK Cu in Skin Remodeling Semantic Scholar What is the difference between HGH and HGH peptide therapy? Peptides A Viable Cost Effective Alternative to Growth Hormone Therapy