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How to Use GHK-Cu and AHK-Cu in Your Routine We recommend a layered approach: apply lighter copper peptide formulations before richer, film-forming ones to maximize penetration and avoid competitive binding at the receptor level
PMID 23539619
doi: 10.1093/occmed/kql116 123 LeighJP
As long as both are properly reconstituted, you can draw them in whichever order is most convenient for your laboratory workflow.
This dual protocol addresses aging at both the cellular and dermal level
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