Private Label Ghk Cu Serum Copper Peptide Hair Growth Copper Peptide Serum for Hair Growth Peptide Your skincare isn't working. But your hair is the real signal. If you're noticing thinning, shedding, or less density it's not random. And it's not just genetics. Meet GHK Cu (copper peptide): Copper Peptide Regenerating Serum for Glowing Skin and Hair 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime