GHKCu Skin Repair Des Moines Peptide Therapy Iowa IV Peptide Therapy for Fat Loss, Longevity & More in NYC Prefusion GHK Cu (Copper Peptide), Your skins secret weapon for repair, regeneration, and glow , Meet GHK Cu (Copper Peptide) one of the most powerful peptides in aesthetics and wellness., Stimulates 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