I'll walk you through a precise DIY GHKCu serum you can prepare at home. I measure, I adjust, I protect every step tuned for peptide stability and skin absorption. Why GHKCu? GHK Copper Peptide 99.7% Pure Powder for DIY Face and Hair Serums 1 gram jar TikTok Shop GHK CU: How to Mix It The Peptide Report Not all copper peptide serums are created equal And this is where a lot of people get confused. You'll see copper peptides on the label and expect amazing results but the