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. Hair Growth Serum, GHK Cu Copper Peptide Hair Health Formula, 1 Fl Oz (3 Pack) : Amazon.ca: Beauty & Personal Care The power of copper peptides for hair growth GHK Cu isn't just another trend, it's a science backed peptide that helps stimulate hair follicles, reduce inflammation, and improve scalp health for thicker, Amazon.com : Mayraki Intense Hair Treatment with Copper Peptide GHK Cu, DHT Blocker for Thicker, Stronger Hair Growth 45 ml 1.52 fl. oz : Beauty & Personal Care