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 ★★★★★ 4.9 (135 reviews) Sold : Login>>
China Cheapest Price Cosmetic Grade Blue Peptide Powder Copper Peptide / Ghk -Cu Powder factory and manufacturers US$ 26.20 Min. order: 1 piece ★★★★★ 5.0 (268 reviews) Sold : Login>>
1% GHK-CU solution: is this applied directly on skin or diluted further? : r/DIYaesthetics US$ 29.03 Min. order: 1 piece ★★★★★ 4.8 (19 reviews) Sold : Login>>