GHK Cu 50 mg Life Peptide GHK CU Copper Peptide Recovery Peptide Suppstance FOXO4 DRI Peptide: Support Healthy Cellular Aging FOXO4 DRI induces keloid senescent fibroblast apoptosis by promoting nuclear exclusion of upregulated p53 serine 15 phosphorylation Communications Biology While GHK Cu may not be a widely recognized compound, its presence and function within the human body are well established. GHK Cu (Copper Peptide) is endogenously produced and plays a role in various physiological