Multi Peptide + Copper Peptides 1% The Ordinary GHK CU 50mg Peptify Multi Peptide + Copper Peptides 1% (previously Buffet + Copper Peptides 1%) is a comprehensive formula which utilizes multiple skin support technologies that target multiple signs of aging at once. The formula incorporates Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference DIY GHK CU & AHK CU Hair & Skin Growth Serums TikTok