Efficient detection of glutathione and cysteine in human serum – Analyst Blog US$ 29.85 Min. order: 1 piece ★★★★★ 4.3 (274 reviews) Sold : Login>>
Best Selling Skin Care Anti-Aging Anti Wrinkle Repairing Firming Ghk-Cu Blue Copper Peptide Serum US$ 25.66 Min. order: 1 piece ★★★★★ 4.1 (175 reviews) Sold : Login>>
Human Glutathione S Transferase Theta 2 (GSTt2) Protein US$ 28.97 Min. order: 1 piece ★★★★★ 4.7 (211 reviews) Sold : Login>>
ReMed HydraPen® (GHK-Cu) Blue Copper Peptide Serum (2x5 ml) US$ 21.44 Min. order: 1 piece ★★★★★ 4.4 (71 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$ 24.24 Min. order: 1 piece ★★★★★ 4.8 (137 reviews) Sold : Login>>
Copper Peptide Serum for Dull & Mature Skin US$ 28.03 Min. order: 1 piece ★★★★★ 4.9 (134 reviews) Sold : Login>>