Amazon.com: BIOCELLMED Copper Peptide Absolute GROW Scalp Serum with Copper Peptides and Plant Stem Cells for Hair, 1.05 oz : Beauty & Personal Care One of my favorite peptides is GHK Cu. It has made such a dramatic impact on my skin in just one cycle I've been shocked! It supports collagen, healing, and overall skin GHK Cu for Hair Loss: Evidence, Safety, and UK Treatment Options Bolt Pharmacy Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn 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