GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or Advanced GHK CU + AHK CU Peptide Hair Growth Serum 30ml Azur Skin Advanced GHK Cu Neck & Face Serum Premium Quality Neurogan Health Ghk Cu Shampoo Copper Peptide Hair Growth Best Peptide for Hair Growth Copper Peptide Shampoo The Power of GHK Cu: The Youth Peptide You Need to Know About Did you know there's a peptide that's been shown to stimulate collagen, repair tissue, and restore your skin's