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. Copper Peptide Serum for Hair Regrowth & Thinning Hair Feline Skinscience VitalRenew Peptides for Hair Restoration!! The three main peptides for hair restoration include the following: Thymosin Beta 4 subq injection Zinc Thymulin topical GHK cu topical Fda Ghk Cu Peptide Injection Approved Hair Loss