ghk cu vs botox for anti aging GHK-Cu is not Botox. It does not freeze a single muscle. It works because it works at the matrix level. GHK-Cu stimulates collagen and glycosaminoglycan synthesis, modulates the matrix metalloproteinases that govern Cu copper peptide serum Copper Peptides Serum for Face
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However, it may cause side effects such as fatigue, loss of appetite and nausea

Nutrition & Food Research 59 (7), 13641372
This peptide is a master of regeneration, and its work extends to other parts of the body that show signs of aging or wear and tear

Complement and coagulation: cross talk through time