best ghk-cu serum brand Dermicu™ Facial – Paraben free Copper Peptide Duo – GHK-Cu

Safety Profile: Common Side Effects : Injection site pain or swelling, mild diarrhea, and itching are commonly reported

Glia 52(4):336343 Sethy VH, Wu H, Oostveen JA, Hall ED (1997) Neuroprotective effects of the dopamine agonists pramipexole and bromocriptine in 3-acetylpyridine-treated rats

This is why it is often discussed in more advanced skincare and peptide research environments

While Id posted a link above to phase 3 clinical trial results showing .8% of folks experienced the delayed reaction it sure seems to be more widespread than that

Results typically seen within 2-4 weeks and increasing over time

The loading phase typically uses 2-2.5mg twice weekly for 4-6 weeks, totaling 4-5mg per week