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Description
G.et al (2018)

GHK-Cu is a small peptide that naturally occurs in healthy skin
This explains why 2-3 weekly injections produce cumulative collagen synthesis and sustained anti-aging benefits despite rapid peptide elimination

Retatrutide is an unlicensed investigational triple incretin receptor agonist by Eli Lilly
After 2448 h, the cells were incubated with 100 nM TRaQ-G ligand for 1 h
