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Unlike many cosmetic ingredients that work superficially, GHK-Cu appears to influence cellular function at the genetic level, potentially resetting aging cells to more youthful patterns of gene expression

Gene expression analysis shows 14 antioxidant genes upregulated and 2 pro-oxidant genes suppressed, creating comprehensive antioxidant enhancement at the transcriptional level

The best GHK-Cu product depends on your goal

One clinical study found that using 5% topical vitamin C for six months improved signs of photodamaged skin, both on the surface and in the deeper structural layers of the skin

Dosing Protocols, Cycling, and Administration Dosing for injectable GHK-Cu depends on your primary goal, but the therapeutic window is well-established and provides a comfortable margin of safety