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 Stop Injecting GHK Cu for Hair Loss (Doctor Explains Why) GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health GHK Cu Hair Growth Serum Proven Copper Peptide, $299 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. GHK Cu Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Peptide Labz