GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are Arctic Peptide Research Grade Peptides for Performance & Recovery Europe AHK CU Dosage Guide: How Much to Use Daily Neurogan Health Complete Beginner Research Kit Check Starting a GLOW stack (GHK Cu BPC TB) : r PeptidePathways GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness How long will a 50 mg supply of GHKCu last when dosing 2 mg daily for five consecutive days followed by two days off each week?