What is a GHK CU Injection? Benefits and Uses Prime IV GHK Cu South Africa Buy GHK Cu Protopep Protopep Research Peptides DAILY SPOTLIGHT GHK Cu 200mg from Peptide Partners. GHK Cu is the copper tripeptide biohackers reach for when skin, scalp, and wound repair all need a single upstream signal. Endogenous in healthy human GHK Cu Copper Peptide Body Wash Anti Aging, Skin Firming & Hydration Walmart.com Amazon.com: GHK Cu Copper Peptide Supplement, 120mcg High Purity Supplement for Skin & Hair, Enteric Coated for Maximum Absorption, Vegan & Gluten Free (60 Count) : Health & Household