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 youre not careful., Watch GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction