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 ★★★★★ 4.7 (180 reviews) Sold : Login>>
GHK-CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) US$ 26.10 Min. order: 1 piece ★★★★★ 4.5 (227 reviews) Sold : Login>>
Amazon.com: GHK-Cu Copper Peptide Powder – 99.7%+ Pure Cosmetic-Grade Ingredient for DIY Serums, Creams & Scalp Tonics US$ 27.95 Min. order: 1 piece ★★★★★ 4.8 (86 reviews) Sold : Login>>
GHK-Cu Copper Peptide – Anti-Aging Skincare Tri-Peptide – Bulk Naturals US$ 27.70 Min. order: 1 piece ★★★★★ 4.5 (67 reviews) Sold : Login>>