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 US$ 20.70 Min. order: 1 piece ★★★★★ 4.9 (59 reviews) Sold : Login>>
GHK-Cu Peptide | Copper Peptide Research US$ 20.91 Min. order: 1 piece ★★★★★ 4.1 (73 reviews) Sold : Login>>
Peptide Therapy — Exclusive Med Aesthetics US$ 29.83 Min. order: 1 piece ★★★★★ 5.0 (71 reviews) Sold : Login>>