Peptide Labz Copper Peptide Hair Growth Serum, 10% GHK cu, 5% AHK cu, Rejuvenates Follicles Walmart.com 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care THE COPPER PEPTIDE GHK CU HAIR GROWTH CONDITIONER IS AN ADVANCED VOLUMIZING TREATMENT THERAPY FOR HAIR THAT NEEDS TO STOP SHEDDING FAST. MADE FROM A RESTORATIVE FORMULA OF ESSENTIAL KEY NUTRIENTS Hair Growth Serum Intense with Copper Peptide GHK Cu Set Hairgenetix Set