Struggling with hair thinning or shedding? Meet GHK Cu, the topical peptide everyone is talking about and NO, it's not an injection! This powerful serum helps: Reduce shedding Amazon.com: Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Hair Growth : Beauty & Personal Care Week 1 GHK Cu scalp protocol. Noticed subtle changes in hair texture and appearance already. Tracking progression weekly. #GHKCu #HairGrowthJourney #ScalpHealth #Biohacking #hairexperiment Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact GHK Cu (copper peptide)based shampoo & conditioner Started: December 8, 2025 Follow up photo: January 8, 2026 Measured under the same conditions using a tape measure, this shows approximately ~1 inch of length change