AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan AHK Cu Hair Elixir 4800mg 99% Hair Growth & Scalp Care Neurogan Health Vitamin B12 Injections Ghk Cu Hair Serum Etsy FREE B12 injections the month of October no purchase necessary. 1 per a person. This is to show appreciation to our customers. It also allows new clients the opportunity to try vitamin 5 Peptides PowerCopper Peptide Hair Growth Serum GHK CU + AHK CU Complex for Thicker Hair Scalp Recovery & Follicle Support Multi Peptide Hair Care Formula TikTok Shop