Injectable Peptides for Anti-Aging? A Dermatologist Explains GHK-Cu US$ 25.88 Min. order: 1 piece ★★★★★ 5.0 (255 reviews) Sold : Login>>
GHK Cu Peptide Serum – Copper Peptide Serum for Tightening, Collagen Boosting & Hydrating – Topical GHK-Cu with Hyaluronic Acid US$ 27.68 Min. order: 1 piece ★★★★★ 4.9 (182 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$ 26.58 Min. order: 1 piece ★★★★★ 4.7 (199 reviews) Sold : Login>>