I compared Peptides, Topically! Topical GHK Cu and One Skin OS 01 HAIR Peptide Scalp Serum , See what I used for my Hundreds of my Clients and what I used myself! Its shocking!!! , Here is the link 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 GHK Cu Hair Growth Spray Strengthen & Revitalize Hair Pure Tides Therapy Blue Magic Copper5 Hair Serum Brasil Hair Skin and Body GHK Cu Topical Hair Foam LeadWest Medical