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Important formulation note: When using topical GHK-Cu products, avoid combining them in the same application session with strong vitamin C, retinol, or alpha hydroxy acids these can interact with copper peptides and reduce their effectiveness or cause irritation

doi: 10.1161/HYPERTENSIONAHA.108.113159 25

Yes GHK-Cu is one of the more frequently studied compounds in dermatological wrinkle-reduction research

The supernatant was collected and incubated with 0.5 ml of Ni-NTA agarose beads (Sigma) on a rotating wheel for 1 h at 4 C

The FDA recognizes selenium as an essential mineral, with food sources including Brazil nuts, fish, and eggs