If you're using GHK Cu and it stings a little (which is common) this one's for you In this reel I'm sharing the small tweaks that have helped me make peptide injections Ghk cu and skin peptides (topical) Skin regeneration and wrinkle reduction Longevity Protocols GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? Amazon.com : Truth Guy GHK CU Anti Aging Copper Peptide Serum for Skin & Hair Growth, with Carbon 60 for Fuller Hair, Beard and Lashes Boost Hair Growth & Reduce Aging Effect One PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction