ghk-cu functions Clinical-grade care. Everyday confidence. Powered by 3% Copper Peptide, Beautyloc Serum helps support collagen function, improve skin elasticity, and soften the appearance of fine lines while remaining gentle on the skin. For GHK-Cu (Copper Peptide) 4% Neck
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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8












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