Male Hair Restoration Before & After with PRF and GHK Cu What Is GHK Cu? The Copper Peptide That Rejuvenates Skin 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 Loose skin isnt about age alone., Its about collagen signaling., GHK Cu (copper peptide) is known for supporting pathways involved in:, Collagen and elastin production, Skin remodeling and Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu