Sculptra and Fern My specialty I have probably annoyed you all by my obsession and recommendations on collagen stimulation. Well, unfortunately for you all, I've just begun. I wanted to create a 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 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 GHK Cu Copper Peptide Benefits, Uses & Safety Intra V