If you've been seeing copper peptides everywhere lately this is the one they're usually talking about. GHK Cu has been studied for its role in skin recovery and follicle support, which is Peptide Shampoo GHK CU 2% Copper Peptide Shampoo 8oz or 16oz Handcrafted in USA Etsy GHK Cu All Natural Shampoo Conditioner Fleava Copper Peptide Regenerating Serum for Glowing Skin and Hair Copper Peptide Hair Growth Shampoo GHK Cu for Hair Loss Hairgenetix 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