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$ 25.88 Min. order: 1 piece ★★★★★ 4.1 (189 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 ★★★★★ 4.2 (52 reviews) Sold : Login>>
99% Purity Blue Copper Peptide Powder US$ 24.65 Min. order: 1 piece ★★★★★ 4.6 (284 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$ 20.63 Min. order: 1 piece ★★★★★ 4.7 (62 reviews) Sold : Login>>
Buy HOT SELL WHOLESALE PRICE 99% PURITY BLUE COPPER PEPTIDE GHK-CU AHK-CU 98% Blue powder LanShan Cosmetics Grade from Xi'an Lanshan Biotechnology Co., Ltd US$ 20.92 Min. order: 1 piece ★★★★★ 4.4 (283 reviews) Sold : Login>>
Copper Peptides Serum for Face 2% Copper Peptide with 4% Epidermal Growth Factor (EGF Serum) Niacinamide Ceramides Squalane & Hyaluronic Acid Multi US$ 26.32 Min. order: 1 piece ★★★★★ 4.8 (203 reviews) Sold : Login>>