If peptides could regrow a dead hairline Id be out of business., Lets get this straight., Peptides like GHK Copper can improve your scalp environment., They may reduce inflammation., They may Absence of evidence isnt evidence of absence its a popular argument, but its not how we should be guiding treatment decisions. In this short, I respond to a comment about GHK Cu injections for GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth.