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Sustained collagen density and skin firmness Continued slow improvement in deeper structural changes Prevention of new collagen breakdown Long-term skin health maintenance Best results when continued indefinitely as part of daily routine What GHK-Cu Before and After Really Looks Like Setting realistic expectations is the foundation of a successful GHK-Cu routine
J Biol Chem, 1998
Abdul, Y
Sivamani RK, Liepmann D, Maibach HI
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