If you're playing with raw GHK Cu, here's the secret that makes it actually work on your skin: mix it with hyaluronic acid. Not microneedling, not fancy devices just a clean Throne Modern Skin & Hair Care Powered by Peptides AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan GHK Cu Copper (3%) Tripeptide Serum with 1.5% Hyaluronic Acid Face and Scalp Serum FOUNTAIN
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