PDF) Regenerative and Protective Actions of the GHK Cu Peptide in the Light of the New Gene Data Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu (Copper Peptide): A Smarter Way to Support Skin Regeneration Top Rated Scottsdale Med Spa Babyface Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum