Best in 7 days 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 Sold : Login>>
GHK-Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect US$ 28.75 Min. order: 1 piece ★★★★★ 4.9 (196 reviews) Sold : Login>>