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Amazon.com: GHK-Cu Copper Peptide Powder – 99.7%+ Pure Cosmetic-Grade Ingredient for DIY Serums, Creams & Scalp Tonics US$ 29.65 Min. order: 1 piece ★★★★★ 4.5 (161 reviews) Sold : Login>>
Amazon.com: Skin Perfection Copper Peptide Serum GHK-CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp US$ 28.82 Min. order: 1 piece ★★★★★ 4.0 (189 reviews) Sold : Login>>
Amazon.com: The Ordinary Multi-Peptide + Copper Peptides 1%, GHK-Cu Anti-Aging Serum for Fine Lines and Skin Elasticity, 1 Fl Oz : Beauty & Personal Care US$ 22.40 Min. order: 1 piece ★★★★★ 4.5 (276 reviews) Sold : Login>>