GHK-Cu Copper Peptide – Anti-Aging Skincare Tri-Peptide – Bulk Naturals US$ 27.70 Min. order: 1 piece ★★★★★ 4.5 (245 reviews) Sold : Login>>
N-acetylcysteine Clinical Applications US$ 22.61 Min. order: 1 piece ★★★★★ 4.3 (131 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$ 28.17 Min. order: 1 piece ★★★★★ 4.5 (65 reviews) Sold : Login>>
A GHK-CU Blue Copper Peptide Serum Concentrate Ampoule Anti-Wrinkle Firming Moisturizing Elasticity Acne Treatment Skincare| Alibaba.com US$ 29.49 Min. order: 1 piece ★★★★★ 4.5 (91 reviews) Sold : Login>>
99% Pure Copper Peptides (ghk-cu) | Great for DIY - 1 Gram US$ 20.30 Min. order: 1 piece ★★★★★ 4.7 (60 reviews) Sold : Login>>