Amazon.com : AzulBotanicals Copper Peptide GHk Cu & Methylene Blue Infused Whipped Grass Fed Tallow Balm, Fine lines, Wrinkles, Eczema, Acne, Full body Moisturizer, For All Skin (3.4 oz) : Beauty & Personal GHK Cu (Copper Peptide), Your skins secret weapon for repair, regeneration, and glow , Meet GHK Cu (Copper Peptide) one of the most powerful peptides in aesthetics and wellness., Stimulates One of my patients has shared this picture with me as she felt it was odd that this peptide had this very vivid blue colour, while her other peptides had a clear Close Blue Copper Peptides Ghk cu Powder Stock Photo 2682985977 Shutterstock 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