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ghk cu dosage for loose skin GHK-CU Peptide Chart: Complete Reference Tables Every Protocol GHK-Cu Dosage and Protocol: A
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And theres some evidence that may be helpful for that as well

[DOI] [PMC free article] [PubMed] 151.Papaioannou A, Liakopoulou A, Papoulis D, Gianni E, Gkolfi P, Zygouri E, Effect of Peptides on the Synthesis, Properties and Wound Healing Capacity of Silver Nanoparticles

That is why SS-31 and MOTS-c should not be treated as interchangeable

With a p K a near 7, the imidazole side chain is one of the strongest bases that can exist at neutral pH
