Copper Peptide/GHK-CU 99% Powder Copper Copper is an important trace element that has been found to be important in wound healing and enzymatic processes.Lysyloxidase is an important enzyme in collagen and elastin production and it is dependent upon the action of copper. Tyrosinase and cytochrome c oxidase require copper as well.The detrimental effects of free radicals on the skin have …