Amazon.com: Neurogan GHK-Cu + AHK-Cu Hair Serum Pro - Lightweight Scalp Serum with Dual Copper Peptides US$ 27.21 Min. order: 1 piece ★★★★★ 4.1 (185 reviews) Sold : Login>>
Copper Peptide Hair Growth Serum US$ 23.36 Min. order: 1 piece ★★★★★ 4.7 (294 reviews) Sold : Login>>
Amazon.com: Neurogan GHK-Cu Copper Peptide Hair & Scalp Serum – 2400mg, 4% Copper Peptides – Fast-Absorbing, Water-Based Formula for Hair Softness & Shine US$ 23.60 Min. order: 1 piece ★★★★★ 4.2 (271 reviews) Sold : Login>>