Shop GHK CU (50 mg) St. George Utah Red Rock Peptides GHK CU Regenrative and Protective Agent Peptides World First time getting GHK Cu. Does this look ok? Not sure if this is how its supposed to look. : r PeptidePathways A GHK Cu face serum appears blue because the active ingredient, GHK Cu ( copper peptide), is naturally a blue colored powder, meaning its inherent color transfers to the serum when mixed in; this blue hue
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