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The most extensively studied compound in this class is copper tripeptide-1 (GHK-Cu), a molecule first isolated from human plasma in the 1970s
The main mechanism is activation of type I and III collagen synthesis (up to +70% according to Pickart 2018), elastin (+40%) and glycosaminoglycans, including hyaluronic acid (+60%)
P., & Corvera, S
T., Yan, Y., Sitaraman, S., & Merlin, D
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