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GHK-Cu corrects mottled hyperpigmentation and restores protective skin barrier proteins damaged by years of sun exposure

After cleansing and toning, I apply a GHK-Cu serum, letting it absorb fully

Melanoma Res 14:A14A15 Seiwerth S, Rucman R, Turkovic B, Sever M, Klicek R, Radic B, Drmic D, Stupnisek M, Misic M, Vuletic LB, Pavlov KH (2018) BPC 157 and standard angiogenic growth factors

Some studies are looking at glutathione's health effects when it's taken by injection or inhaled directly into the lungs

The peptide is biologically active at nanomolar concentrations, which means a well-formulated product does not need to be heavily concentrated to work