Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ Subcutaneous Injection Sites and Instructions for Safe Self Administration Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level