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Petersen RC, Lopez O, Armstrong MJ, et al

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The implications for injury healing are significant, as improved blood supply to damaged tissues is one of the most important factors in recovery speed

Important milestones in the GHK-Cu literature include the original 1973 identification of GHK as a plasma-derived cell proliferation factor, the recognition of the copper-binding role in the late 1970s, the wound healing and collagen research of the 1980s and 1990s, the establishment of GHK-Cu as a cosmetic ingredient in the 1990s and 2000s, and the transcriptomic expansion of the research literature in the 2000s and 2010s

You have more accessible injection sites, such as abdomen, upper thigh, glute, triceps, deltoids etc