GHK CU Hair Serums Explained: Real Results for Thinning Hair and Scalp Revival GHK CU Hair Loss & Regrowth Treatment Therapy Vitality Health 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, HOEGOA Copper Peptide Hair Growth Serum With GHK CU AHK CU Powerful Hair Growth Treatment Stimulates Follicles Reduces Thinning Thickens Hair Improves Scalp Health for Fuller Stronger Hair Over Time 30ml Best Price So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth.