Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu More than hair its cellular support , GHK CU is a well studied copper peptide known for its role in supporting:, Healthier looking hair & scalp environment, Hair that appears thicker, GHK Cu peptides are used to potentially promote hair growth, increase hair follicle size, and improve scalp health, often for conditions like androgenetic alopecia. As a regenerative peptide, GHK Cu is believed to GHK Cu before and after : r Biohackers Organic Copper Peptide GHK CU Anti Aging Moisturizer Lightweight Hydrating Cream GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective?