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$ 25.44 Min. order: 1 piece ★★★★★ 4.0 (53 reviews) Sold : Login>>
Thoughts on the colour of this GHK-CU 50mg (still in powder form) : r/PeptidePathways US$ 28.35 Min. order: 1 piece ★★★★★ 4.7 (204 reviews) Sold : Login>>
Two Weeks on GHK-CU - by Rory Uphold US$ 28.85 Min. order: 1 piece ★★★★★ 4.8 (21 reviews) Sold : Login>>