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They are involved in different cellular processes such as DNA replication, sulfate assimilation or response to oxidative stress

Even though the copper hypothesis of GHKs mode of action is still valid, we feel that it doesnt explain the gene modulating effects of GHK-Cu

Vemulapalli R, Kurosawa M, Killinger J, et al

Supporting our natural immunity needs to be at the top of our minds right now as we prepare for the cold and flu season, along with the ongoing threat of viruses

10.1093/bioinformatics/bts635 7 GeislerS

So, they affect the structure, elasticity, and firmness of skin
