Meet the ingredient your skin has been waiting for. GHK Cu, or Copper Tripeptide 1, is one of the most researched anti ageing actives in skincare. It firms. It renews. It supports collagen. And now GHK Cu Copper Peptide 50mg Cypress Compound Co 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 AHK Cu (Copper Tripeptide 3) Ingredient Guide Nubeean Noosa Copper peptide GHK Cu Wikipedia 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper