This compound has been studied for over 50 years. Most people discovered it last year on social media. In 1973, Dr. Loren Pickart identified GHK Cu while studying why young blood could Amazon.com: Neurogan GHK Cu + AHK Cu Hair Serum Pro Lightweight Scalp Serum with Dual Copper Peptides Daily Hair & Scalp Use, Cosmetic Product : Beauty & Personal Care Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care FOXO4 DRI PEPTIDE 2MG 5MG 10MG VIAL UMBRELLA Labs The disordered p53 transactivation domain is the target of FOXO4 and the senolytic compound FOXO4 DRI Nature Communications