Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health What Is GHK Cu? The Trending Copper Peptide Everyone Is Talking About Parlor Beauty Peptide Therapy in Parkland Burn Fat, Boost Recovery, Look Younger 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: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy