You're injecting what now?! We've been flooded with questions about injectable peptides, so here's the bottom line: I would not inject these into myself or anyone I care about. Note: This is Dubai In Home GHK Cu Tripeptide Injection Book Private Therapy Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily (evenings are great), GHK Cu Injection Beauty Refined GHKCU Peptide Therapy Relive Health Houston, TX