This is a high protency glutathione based supplements. 90,000mg skin whitening for a skin like milk reduce dark spots and reduce improve overall skin radiance fasten result for lightening cream results in days # Your copper peptide product should be this exact blue. If it isn't, you already have your answer. GHK Cu is blue because of coordination chemistry, not dye. The Cu ion at the center how to do a ghk cu peptide before and after TikTok Shop GHK CU (Copper Peptide Serum) NovaNAD+