GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not GHK CU Crepey Skin Escape Platinum Skin Care PDF) Regenerative and Protective Actions of the GHK Cu Peptide in the Light of the New Gene Data Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare