Best in 7 days Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity US$ 23.74 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$ 20.63 Min. order: 1 piece ★★★★★ 4.7 (67 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$ 29.41 Min. order: 1 piece ★★★★★ 4.3 (55 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 ★★★★★ 4.1 (192 reviews) Sold : Login>>
Cosmetic Ingredients Blue Copper Peptides Powder Ghk-cu Ghk Cu Copper Peptide $15 - Wholesale China Ghk-cu ,cas 49557-75-7 at Factory Prices from Hebei Xunhe import and export trade Co., Ltd US$ 28.94 Min. order: 1 piece ★★★★★ 4.9 (278 reviews) Sold : Login>>
Skincare Copper Peptide GHk-Cu & Methylene Blue Global US$ 26.47 Min. order: 1 piece ★★★★★ 4.4 (225 reviews) Sold : Login>>