Amazon.com : GHK-Cu Copper Peptide Powder, CAS 49557-75-7, Purity 99+%, 1 Gram : Health & Household US$ 29.15 Min. order: 1 piece ★★★★★ 4.4 (200 reviews) Sold : Login>>
Buy GHK-Cu | Exceptional 99%+ Purity US$ 25.61 Min. order: 1 piece ★★★★★ 4.1 (119 reviews) Sold : Login>>
GHK-cu Powder CAS 49557-75-7 Suppliers, Manufacturers, Factory - Wholesale Price US$ 23.46 Min. order: 1 piece ★★★★★ 4.3 (125 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 ★★★★★ 4.6 (252 reviews) Sold : Login>>