Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum MOST EFFECTIVE Scalp Serum Hair Growth Factor 5% GHK CU Copper Peptide Rosemary GHK Cu Scalp Solution Empower Pharmacy 3 x hair+scalp serum 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