Product Details GHK Cu Blue Copper Peptide + Squalane Wrinkle Smoothing Treatment Caps Wonderlini exquisite skincare China Chinese wholesale Manufacturers Supply Blue Peptide Ahk Cu Ghk Cu (89030 95 5) Anti Aging Copper Tripeptide 1 factory and manufacturers Unilong Skin Perfection Ghk Cu Copper Peptide Powder 99.7% Pure Diy Ghk Powder to Make a Serum for Face Hair Scalp 1g 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