ghk-cu copper peptide effects Figure 3 from GHK – in Skin Remodeling and Anti-Aging ! GHK- Cu in Skin Remodeling GHK-Cu Peptides Before and After:
Description
Once stabilized, maintenance doses are typically administered every one to three months

RegeneRx Biopharmaceuticals

Mater 44, 97115
They are not necessarily better or worse, just different tools for different aspects of the problem