Not all copper peptide serums are formulated the same… Before you buy one, make sure you're actually getting pure GHK-Cu at the right concentration — not just a diluted blend. We spent US$ 29.69 Min. order: 1 piece ★★★★★ 4.8 (228 reviews) Sold : Login>>
Order GHK-CU – High Purity Research Peptide US$ 23.23 Min. order: 1 piece ★★★★★ 4.1 (275 reviews) Sold : Login>>