BodyPharm GHK Cu My Antidote Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health 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 Subcutaneous Injection Sites and Instructions for Safe Self Administration GHK Cu 50mg Dosage Protocol PeptideDosages.com Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: