GHK Cu peptides are used to potentially promote hair growth, increase hair follicle size, and improve scalp health, often for conditions like androgenetic alopecia. As a regenerative peptide, GHK Cu is believed to Ghk Cu Peptide Injection For Hair Growth GHK Cu Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Peptide Labz GHK Cu Copper Peptide Hair & Scalp Serum Spray, 2400mg Strength, Lightweight Water Based Leave In Hair Care for Softness & Shine, Dry Scalp Moisturizing Support, Non Greasy, 60ml (1pcs) : Amazon.com.au: Beauty 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):