Best in 7 days Cagrilintide (2.5mg) / GLP-1 S (2.5mg) – Performance Peptides US$ 29.06 Sold : Login>>
Cosmetics Peptides Blue Copper Peptide Ghk-Cu Powder on Sale US$ 21.79 Min. order: 1 piece ★★★★★ 4.6 (253 reviews) Sold : Login>>
China One of Hottest for Skin Care Ghk-Cu Copper Peptide Ahk-Cu factory and manufacturers US$ 23.21 Min. order: 1 piece ★★★★★ 4.5 (33 reviews) Sold : Login>>
GHK-CU 50mg Vial | Copper Peptide US$ 25.99 Min. order: 1 piece ★★★★★ 4.2 (233 reviews) Sold : Login>>
Your copper peptide product should be this exact blue. If it isn't, you already have your answer. GHK-Cu is blue because of coordination chemistry, not dye. The Cu²⁺ ion at the center US$ 20.81 Min. order: 1 piece ★★★★★ 4.9 (187 reviews) Sold : Login>>