Does GHK Cu actually mess with other peptides or is it more about how things are formulated? From what I've been learning, most of the issues people talk about come down to Ghk Mixing TikTok 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 STOP MIXING GHKcu!!!! Peptides are very fragile and combining them causes them to further degrade, reduce stability, and destabilizes purity. Differences in pH interact with each other and significantly decreas stability. Pptido de cobre GHK GHK Cu Tripptido 1 GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy