Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum Peptide Therapy for Hair Growth: Explore Your Options Peptide Therapy for Hair Growth: Explore Your Options Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that GHK cu Copper Peptide Hair Regrowth Shampoo for Men & Women Boost Hair Growth Nourish & Revitalize Shop Internationally Buy Now with Express International Delivery GoSupps.com