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Each batch passes through Janoshik Analytical an independent peptide-analytics lab for HPLC purity quantification of each of the two component peptides and MS identity confirmation of each component, with the minimum acceptance threshold set at 99 percent purity per component by HPLC
Gopal Grandhige, MD, FACS, Board-Certified Surgeon Last Reviewed: February 28, 2026 GHK-Cu is a copper peptide complex (glycyl-histidyl-lysine combined with copper) that naturally occurs in human saliva, plasma, and urine
It works to support the production of both collagen and elastin, addressing skin aging by improving both structure and resilience
The history of this compound begins in the 1970s, when Loren Pickart isolated from human plasma the factor responsible for the different behavior of liver tissue in culture and determined that it was the copper-binding tripeptide GHK
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