GHK CU Hair Serums Explained: Real Results for Thinning Hair and Scalp Revival Amazon.com: Copper Peptide Hair Serum with Copper Tripeptide 1 Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care Looking for smoother, firmer skinwithout injectables? Our GHK Cu + SNAP 8 Advanced Cream is a physician guided, peptide powered formula designed to support collagen production, improve skin texture, and visibly soften expression lineswithout needles or 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.