PBMCs were counted via the cell counting method, and cell activity was detected to ensure high-quality cells
It also supports molecules like decorin, dermatan sulfate, and chondroitin sulfate, all of which help keep skin hydrated and cushioned from the inside. Newer GHK-Cu Research on Skin Repair In 2023, a study in the Journal of Cosmetic Dermatology tested GHK-Cu alongside hyaluronic acid and found that the two together boosted collagen production more than either could alone. A 2024 review in Applied Sciences highlighted how the peptide supports wound healing, helps new blood vessels form, and brings the right repair cells (macrophages, monocytes, and mast cells) to areas that need healing. A 2025 review published in International Journal of Medical Sciences went even further, looking at next-generation GHK-Cu formulations
That is the core promise of Dihexa, one of the most potent and intriguing experimental neuropeptides to emerge from academic research in recent years
Wimalasekera R, Tebartz F, Scherer GFE (2011) Polyamines, polyamine oxidases and nitric oxide in development, abiotic and biotic stresses
Community reports describe this route as the preferred non-injectable option for daily glutathione maintenance