Why You Shouldnt Mix GHK Cu with AHA, BHA, or Retinol, If youre using a GHK Cu (Copper Peptide) in your skincare routine, layering it with strong actives like AHA, BHA, or retinol may actually Can You Use GHK Cu Peptides with Vitamin C Serum? Expert Guide Breaking: more people are starting to explore copper peptides over retinol Not because retinol is bad but because people are beginning to understand how different ingredients actually work. GHK Cu is something your GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Diving deep into the skincare game Let's explore two powerhouses: GHK Cu (Copper Peptide) vs. Retinol. Which reigns supreme for youthful skin? Swipe right to see our post schedule as we unpack