1 ghk cu copper peptides Peptide Serum with 1% GHK-Cu peptide, Argireline and Matrixyl 3 – Dr. Brenner Labs Stimulates collagen production Promotes skin firmness Minimizes the look of fine lines Our Copper Peptides Firming Serum is designed to target overall skin elasticity and suppleness GHK-CU (50mg) – Nordsci
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