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 ★★★★★ 4.8 (35 reviews) Sold : Login>>
GHK-CU for Sale | Tripeptide-1 | 3rd-Party Tested US$ 22.34 Min. order: 1 piece ★★★★★ 4.3 (254 reviews) Sold : Login>>