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The duration effect suggests GHK-Cu induces cumulative structural changes in dermal architecture where longer treatment allows more complete remodeling supporting ongoing enhanced function without continuous peptide presence
References Chang, Chung-Hsun et al
Unresolved hypotheses: mechanistic proposals that remain plausible but have not been directly demonstrated in the relevant AOD9604 metabolic model
Why Semaglutide and Tirzepatide Are Not Simple Add-Ons Retatrutide already activates GLP-1, GIP, and glucagon receptors
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