Best in 7 days Melanotan 2 (MT-2) 10MG : Explore Effects on Tanning and Libido US$ 21.93 Sold : Login>>
Blue Copper Peptide Ghk Cu 99% Care Ghk-Cu 50mg 100mg vials Cosmetic Ingredient US$ 26.38 Min. order: 1 piece ★★★★★ 5.0 (86 reviews) Sold : Login>>
1% GHK-CU solution: is this applied directly on skin or diluted further? : r/DIYaesthetics US$ 29.03 Min. order: 1 piece ★★★★★ 4.7 (180 reviews) Sold : Login>>
99% Pure Copper Peptides (ghk-cu) | Great for DIY - 1 Gram US$ 20.30 Min. order: 1 piece ★★★★★ 4.7 (154 reviews) Sold : Login>>
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$ 25.85 Min. order: 1 piece ★★★★★ 4.8 (212 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$ 22.54 Min. order: 1 piece ★★★★★ 4.9 (109 reviews) Sold : Login>>