2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Copper Peptide Hair Growth Shampoo GHK Cu for Hair Loss Hairgenetix Hair Loss & Peptides: Why Blends Work Better When it comes to hair restoration, one peptide is goodstrategic blends are better. MOTS c A mitochondrial peptide that improves cellular energy, reduces oxidative Amazon.com : Copper Peptide Scalp Shampoo with GHK Cu Hair Density Enhancing Shampoo for Thinning Hair Nourishing Hair Care with Castor Oil & Panthenol, 3.38 Fl Oz 100ml : Beauty & Personal Care