Copper Peptides Serum for Face 2% Copper Peptide with 4% Epidermal Growth Factor (EGF Serum) Niacinamide Ceramides Squalane & Hyaluronic Acid Multi GHK Cu Peptide Serum EQLibrium 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 Skin Perfection GHK Cu Copper Peptide Serum Booster, 1 Percent Blue Liquid For Face, Neck, Body, Hair, And Scalp, 0.5 oz Walmart.com GLOW FROM WITHIN This is NOT just another serum this is Peptide+ GHK CU Powered by copper peptides, it works deep within the skin to: Boost collagen & elastin ( GHK CU Copper Peptide Face Serum Robyn's Tack Room ROBYN'S TACK ROOM