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$ 29.23 Min. order: 1 piece ★★★★★ 4.9 (105 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 ★★★★★ 4.9 (70 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 ★★★★★ 4.1 (57 reviews) Sold : Login>>
Glow powered by science. 💙, Our GHK-Cu Blue Copper Peptide Serum helps firm, repair, and revive tired skin for a smoother, more youthful look. , Lightweight, potent, and designed to support visible US$ 21.05 Min. order: 1 piece ★★★★★ 4.3 (82 reviews) Sold : Login>>
Skin Perfection GHK-Cu Copper Peptide Serum Booster, 1 Percent Blue Liquid For Face, Neck, Body, Hair, And Scalp, 0.5 oz US$ 27.72 Min. order: 1 piece ★★★★★ 4.5 (210 reviews) Sold : Login>>