Did you know your hair responds to peptides on a cellular level? Peptides like GHK Cu and AHK Cu don't just sit on the scalp, they send molecular signals that stimulate hair follicles, increase AHK CU Dosage Guide: How Much to Use Daily Neurogan Health Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum AHK CU Peptide Nationwide Peptides by National Science Labs, LLC AHK Cu 100mg 24Peptides AHK Cu Copper Peptide Hair Tonic for Fuller Looking Hair Discovery Size (10 mL)