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$ 20.77 Min. order: 1 piece ★★★★★ 4.2 (113 reviews) Sold : Login>>
GHK Copper Peptide - 99.7% Pure Powder for DIY Face and Hair Serums 1 gram jar US$ 21.61 Min. order: 1 piece ★★★★★ 4.7 (265 reviews) Sold : Login>>
How to Mix GHK-Cu Powder? - Knowledge US$ 20.83 Min. order: 1 piece ★★★★★ 4.8 (156 reviews) Sold : Login>>
GHK Copper Peptide - 99.7% Pure Powder for DIY Face and Hair Serums 1 gram jar US$ 27.67 Min. order: 1 piece ★★★★★ 4.4 (157 reviews) Sold : Login>>
Amazon.com: Skin Perfection Copper Peptide Serum GHK-CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp US$ 23.21 Min. order: 1 piece ★★★★★ 4.2 (43 reviews) Sold : Login>>