GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Copper Peptide (GHK CU) Serum Dermaesthetics For Professionals This is what the combination of microneedling, peptides and consistency can do These photos are results from scalp restoration using GHK CU from @neuroganhealth How does this treatment work? Microneedling is used