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 GHK Cu Peptide Therapy in Jupiter, FL Begin Anew Med Spa Thank you to our members, community friends, and the Palm Beach North Chamber of Commerce for joining us Tuesday to celebrate the ribbon cutting of our new Ibis Branch. , This branch represents Credit Union in West Palm Beach FL iTHINK Financial