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 Copper Peptide Hair Growth Serum for Hair Loss & Thinning Hair Feline Skinscience GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu (Copper Peptide) Therapy in South Florida Prescription Consultation & Medical Evaluation Telehealth Florida Surgery & Weight Loss Center 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,