GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health If youre on a GLP 1 and starting to notice changes in your skin or hair youre not alone., Copper peptides (GHK Cu) are a simple way to support your body through the process , Boost collagen, 4 Benefits Of GHK Cu To Your Skin Yunique Medical GHK Cu is one of the most powerful regenerative peptides for skin, hair, and overall tissue health. GHK Cu supports collagen production, healing, and visible rejuvenation from within. It's commonly used to improve skin