Behind healthier hair is usually a mix of care and consistency. Mayraki Hair Growth Serum Intense with Copper Peptide GHK Cu combines copper peptide to help reduce hair fall with nourishing oils GHK Cu Copper Peptide Hair Serum 30ml Azur Skin Copper Peptide Hair Growth Serum (10% GHK Cu + 5% AHK Cu) 30ml ROBYN'S TACK ROOM GHK Cu Peptide Serum EQLibrium Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml)