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 Peptide Progress: Week 3 Results What time of the day do I take GHK CU? #ghkcu #mt2 #bp #transformation Pptido de cobre GHK GHK Cu Tripptido 1 GHK Copper Peptide GHK Cu Tripeptide 1 Copper peptide questions we get asked all the time , How often should you use it? Do you need to avoid the sun?, If youre new, start once daily (evenings are great), then build up if your skins