GHK Cu GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu Peptide Regenerative & Cosmetic Research Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: Absence of evidence isnt evidence of absence its a popular argument, but its not how we should be guiding treatment decisions. In this short, I respond to a comment about GHK Cu injections for Two Weeks on GHK CU by Rory Uphold The Ladies Room