GHK Cu is a copper peptide known for supporting skin repair, collagen production, and overall tissue healing., Traditionally, its taken as an injection but that can come with irritation, bruising, or If youre using GHK Cu and it stings a little (which is common) this ones for you , In this reel Im sharing the small tweaks that have helped me make peptide injections way more comfortable GHK Cu Peptide Benefits for Skin and Hair LIVV Natural Achieve Thicker, Healthy Skin with GHK Cu (Copper Peptides). Vitali Skincare