Growth Hormone and Aging Endotext NCBI Bookshelf GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips The glycyl l histidyl l lysine Cu2+ tripeptide complex attenuates lung inflammation and fibrosis in silicosis by targeting peroxiredoxin 6 ScienceDirect Human Growth Hormone Therapy HRT HealthGAINS THE POWER COMBO: GHK CU + BPC 157 = NEXT LEVEL RESULTS Here's where peptide therapy gets really interesting. GHK CU builds collagen. BPC 157 accelerates healing. But when you combine them? You get exponential results.