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$ 29.96 Min. order: 1 piece ★★★★★ 5.0 (157 reviews) Sold : Login>>
Buy GHK-Cu | Exceptional 99%+ Purity US$ 25.65 Min. order: 1 piece ★★★★★ 4.7 (19 reviews) Sold : Login>>
99% Pure Copper Peptides (ghk-cu) | Great for DIY - 1 Gram US$ 24.74 Min. order: 1 piece ★★★★★ 4.7 (105 reviews) Sold : Login>>
Copper Peptide Body Wash | Anti-Aging, Skin Firming & Hydration US$ 25.55 Min. order: 1 piece ★★★★★ 4.0 (237 reviews) Sold : Login>>
GHK-CU for Sale | Tripeptide-1 | 3rd-Party Tested US$ 28.18 Min. order: 1 piece ★★★★★ 4.4 (109 reviews) Sold : Login>>