peptídeo ghk cu Copper Peptide Ghk-cu Lyophilized - Firming Skin Sérum Facial GHK-Cu 3% 30mL
Description
All that being said, can you use copper peptides with vitamin C in the same routine

Heidenreich, R., Rcken, M

Here's what to keep in mind about supplementing with vitamin B12: While correcting a vitamin B12 deficiency might have health benefits, megadoses may actually be harmful

The copper content is minimal and well within safe limits