ghk-cu injections before and after 12 Weeks of After: Peptide Skincare Results GHK-Cu 6 week before and

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Most protocols suggest consistency in timing, same day and approximate time each week

However, the aforementioned study involved only 20 subjects who self-applied skin products and overall the study methodology was highly questionable

Several other users in the dataset reported protocols worth noting

Start with 0.5-1mg daily if injecting, or a 1-2% topical product applied once daily

Reactions that warrant attention include persistent swelling or redness lasting more than 24 hours, significant pain beyond the initial injection moment, the development of hard nodules that do not resolve within a day or two, fever or systemic symptoms following injection, or any sign of infection at the injection site including warmth, pus, or spreading redness