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The skin relies on two main proteins - collagen and elastin. Collagen is like the frame of a house and elastin is like a rubber band. As we get older, our bodies produce less of both - this leads to wrinkles and a loss of firmness. GHK-Cu is interesting because it seems to support the natural production of the proteins. It does not just sit on top of the skin - it communicates with the layers where the work happens. Many people look into scientific discussions of GHK-Cu to understand how it interacts with these structural proteins.

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