GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect Absolute GHK cu Stem Cells & Peptide Hair Growth Serum and Shampoo MTS Mall of California Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum 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 Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum Hair Growth Serum Intense with Copper Peptide GHK Cu