Amazon.com: Neurogan GHK-Cu Copper Peptide Hair & Scalp Serum – 2400mg, 4% Copper Peptides – Fast-Absorbing, Water-Based Formula for Hair Softness & Shine US$ 28.71 Min. order: 1 piece ★★★★★ 4.1 (298 reviews) Sold : Login>>
Amazon.com: Copper Peptide Hair Serum with Copper Tripeptide-1 – Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care US$ 23.28 Min. order: 1 piece ★★★★★ 5.0 (144 reviews) Sold : Login>>
Amazon.com: Skin Perfection Copper Peptide Serum GHK-CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp US$ 23.78 Min. order: 1 piece ★★★★★ 4.6 (159 reviews) Sold : Login>>
2% GHK-CU Copper Peptide Serum for Hair Growth and Scalp Care US$ 21.80 Min. order: 1 piece ★★★★★ 4.4 (227 reviews) Sold : Login>>