Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend 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