Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Tripeptide 1 Copper Peptide GHK Cu for Cosmetics AHK Cu (Copper Tripeptide 3) Ingredient Guide Nubeean Noosa GHK Cu (75mg) Alpha BioMed GHK Cu INCI Name: Copper Tripeptide 1 Appearance: Blue crystalline powder CAS No.: 89030 95 5 Copper peptides are most prominent in serum form Effect: Wrinkle Reduction