In lab and clinical research, its been observed to activate fibroblasts (the cells that produce collagen), increase glycosaminoglycan synthesis (which helps skin retain water), modulate matrix metalloproteinases (MMPs, the enzymes that break down old tissue), and act as a copper cofactor in antioxidant pathways
Faded hyperpigmentation: Documented in Finkley 2005 as reduced mottled pigmentation, supported by GHK-Cus MMP-modulating activity
GHK-Cu plus Argireline : Combines structural signaling (GHK-Cu) with expression-line studies (Argireline)
In this guide to GHK-Cu, well cover what you need to know about this peptide, including its safety, efficacy, use cases, and everything in between
A few forms are chemical in origin
Pyo et al