A GHK Cu face serum appears blue because the active ingredient, GHK Cu (copper peptide), is naturally a blue colored powder, meaning its inherent color transfers to the serum when mixed in; this blue hue GHK Cu Peptide 100mg For Copper Binding Research The first order degradation profiles of GHK Cu in various medium stored Download Scientific Diagram Pptido de cobre ghk cu tripptido qumico inhibidor de la enzima, cicatriz del acn, ngulo, blanco png PNGEgg How GHK Peptide Works Signaling GHK acts as a switch for skin repair: Interacts with adenosine receptors reduces inflammation Activates MAPK ERK, PI3K Akt, TGF pathways Stimulates fibroblasts & keratinocytes boosts collagen, elastin Copper Peptide (GHK Cu) Supplier Cosmetic Ingredient for Formulators Creative Peptides