Copper Peptide Set Complete Hair Growth Treatment (Shampoo, Conditioner & Serum) 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. Amazon.com: Neurogan GHK Cu Copper Peptide Hair & Scalp Serum 2400mg, 4% Copper Peptides Fast Absorbing, Water Based Formula for Hair Softness & Shine Cosmetic Dry Scalp Moisturizer Spray, Made in USA : Neurogan Health GHK Cu Copper Peptide Hair & Scalp Serum 4% Serum, 2 oz 60 mL TikTok Shop 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