The GHK Cu Peptide: Benefits, Uses, and Why it's Known as the Regenerative Copper Complex Can You Use GHK Cu Peptides with Vitamin C Serum? Expert Guide The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline This compound has been studied for over 50 years. Most people discovered it last year on social media. In 1973, Dr. Loren Pickart identified GHK Cu while studying why young blood could