GHK CU Hair Loss & Regrowth Treatment Therapy Vitality Health A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend Perhaps the most commonly asked about question when it comes to GHK Cu is THE BURN. Let's learn! @summitrejuvenation Cellular Glow Copper Peptide GHK Cu Serum for Face 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: GHK Cu Copper Peptide: The Ultimate Peptide For Longevity