GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) Glow from within with GHK Cu Copper Peptide , This powerhouse peptide supports collagen production, skin repair, and hair follicle health, helping improve skin firmness, radiance, and support Ghk Cu Hair Serum Etsy Behind healthier hair is usually a mix of care and consistency. Mayraki Hair Growth Serum Intense with Copper Peptide GHK Cu combines copper peptide to help reduce hair fall with nourishing oils