GHK Cu (Copper Peptide) isn't just another trend. It's a naturally occurring peptide in our bodies that plays a vital role in healing, collagen production, skin regeneration, and even hair support. Here's all 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Fermented rice+ Minoxidil 5%+ Copper peptide(GHK CU) for Women, Men, p Peptide Labz Copper Peptide Hair Growth Serum, 10% GHK cu, 5% AHK cu, Rejuvenates Follicles Walmart.com