GHK Cu before and after : r Biohackers GHK CU Copper Peptide Hair Growth Serum, Copper Peptide Hair Growth Oil, Hair Loss Treatments for Women & Men, Stimulate Hair Regrowth, Increase Hair Density, Repair Dry Damaged Hair, 30ml : Amazon.co.uk: Beauty Skinworks GHK Cu peptides are used to potentially promote hair growth, increase hair follicle size, and improve scalp health, often for conditions like androgenetic alopecia. As a regenerative peptide, GHK Cu is Hair Growth Serum Intense with Copper Peptide GHK Cu Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact