Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience Evolve Rewind the Clock with GHK Cu (Copper Peptide)! Experience the skin rejuvenating power of copper peptides now available at Evolve TX Medical Group! Smooth wrinkles Boost collagen GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime