ghk cu and hyaluronic acid GHK-Cu Serum: Benefits for Your Skin featuring a 4% concentration of Copper Tripeptide GHK-Cu

Secondary mechanisms growth factor modulation (EGF, FGF) and nitric oxide system interaction have a smaller evidence base and are considered less central to BPC-157's research profile

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License : CC BY-SA: Attribution-ShareAlike Kevin Raskoff (Monterey Peninsula College)

This mechanism raises the critical discontinuation question - does stopping GHK-Cu immediately halt enhanced collagen production returning synthesis rates to pre-treatment baseline, or does the improved dermal environment created during treatment continue supporting elevated collagen production through positive feedback mechanisms where better matrix structure itself promotes ongoing synthesis even without continuous peptide stimulation