GHK Cu Copper Peptide Collagen Boost & Skin Regeneration Calibrate Hydration DENIK PHARMA *BEUCOPP* ( GHK Cu): Most powerful Anti ageing effects by enhancing collagen and elastin production. GHK Cu (Copper Peptide or Glycyl L Histidyl L Lysine Copper) is a peptide hormone naturally made in our bodies. It's formed 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing., Alright, I need to give you an updateit's been 12 weeks since I started using GHK peptides from Transcend, and GHK CU 100MG Simple Peptide