What Is GHK Cu? The Copper Peptide That Rejuvenates Skin 9 months of consistency with a protocol that works systemically, not superficially. This has included GHK Cu subcutaneous and topical, collagen, protein and an intentional lifestyle ticking off the essentials of sleep, training, GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Skin Perfection GHK Cu Copper Peptide Serum Booster, 1 Percent Blue Liquid For Face, Neck, Body, Hair, And Scalp, 0.5 oz Walmart.com Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density. 7% GHK CU ACCELERANT Platinum Skin Care