ReMed HydraPen (GHK Cu) Blue Copper Peptide Serum 2 x 5 ml Microneedling MorySkin Microneedling with GHK Cu is one of the most effective ways to stimulate collagen where your skin needs it most. The reason is simple: it's targeted. Microneedling creates micro injuries on the skin, and What is the optimal dosing regimen of GHKCu for topical skincare and woundhealing applications? 7% GHK CU ACCELERANT Platinum Skin Care GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B