Your body made this peptide every day until you turned 30. Then it stopped. GHK Cu (copper peptide) is a naturally occurring tripeptide discovered in 1973. At age 20, your plasma levels sit GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? LC MS quantitation of retatrutide: triple receptor agonist for obesity and diabetes treatment The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu Hyaluronic Acid Gel Wells Pharmacy Network