GHK Cu Vici Peptides 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 Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B First time getting GHK Cu. Does this look ok? Not sure if this is how its supposed to look. : r PeptidePathways Top 3 Areas to Use GHK CU Effectively TikTok Ghk Cu Copper Peptide Lyophilized Powder Skin Care Repair Ghk Cu Peptide