GHK Cu AHK Cu Hair Serum W Micro Needle Kit This combination kit provides GHK Cu and AHK Cu peptides in a topical serum formulation alongside a professional grade micro needle roller. , Designed GHK Cu 50mg Third Kind Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Ghk Cu Hair Serum Etsy Do you know your skin has a built in "Biological Architect"? It's called GHK Cu (Copper Tripeptide 1), and its only job is to tell your cells one thing: REBUILD. It's why your skin snaps GHK Cu Peptide (50mg) Advanced Skin Rejuvenation & Healing Support