We formulate our copper peptide serum at 1% GHK-Cu, the concentration studied in published research, so your results aren't being diluted by 30 other filler ingredients
doi: 10.3389/fimmu.2026.1845654 Received 02 April 2026 Revised 07 April 2026 Accepted 21 April 2026 Published 11 May 2026 Volume 17 - 2026 Edited by Venkata Ramireddy Narala, Yogi Vemana University, India Reviewed by Farrah Kheradmand, Baylor College of Medicine, United States Homayon Ghiasi, Cedars Sinai Medical Center, United States Updates Copyright 2026 Cain, Hurrell, Shen, Speliakos and Akbari
However, shoppers comparing cost per gram will find this product substantially more expensive than VitaUp, Toniiq, NOW Foods, or Doctors Best
It is the only GHRH analog approved for this indication
The manufacturing process is equally important
This Antioxidant helps fight free radicals and toxins which damage the skin causing problems like Melasma and hyperpigmentation and collagen damage as well as the more common types of sun spots
