Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum eBay So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth. 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 Hair Growth Ghk Cu Peptide Injection For Hair Growth How GHK Cu Strengthens Hair Follicles to Combat Hair Loss HapiPatch