7% GHK Cu Accelerant for Cosmetics The Original Copper Peptide for Anti Aging DIY Ingredient to Boost Anti Wrinkle Skin Care Buy or Shop Skin Biology True Copper Peptides GHK Cu Face Serum 1200MG Lab Tested & High Potency Neurogan Health Not all Copper Peptides are created equal If you've tried copper peptides before and saw no change, here is why: Concentration and Stability. Most serums use a diluted solution that barely scratches Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000