GHK Cu Peptide Hormone Replacement Therapy Los Angeles The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Food Derived TripeptideCopper Self Healing Hydrogel for Infected Wound Healing Biomaterials Research Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper