AHK-Cu: The Lesser-Known Copper Peptide AHK-Cu (Alanine-Histidine-Lysine copper) is a tripeptide closely related to GHK-Cu but with some distinct properties that make it particularly interesting for hair care applications
Visual inspection can catch severe degradation, such as cloudiness, particles, or color changes, but moderate potency loss produces no visible signs
That evidence supports the idea that GHK-Cu can influence collagen and matrix biology and improve the look of skin when applied to it
The most common side effects include: Nausea (feeling sick to your stomach) Vomiting Diarrhea or constipation Heartburn and gas For most people, these side effects are mild and go away after a few weeks once your body gets used to the treatment
Brakedal B, Dlle C, Riemer F, Ma Y, Nido GS, Skeie GO, et al
Kopp KO, Glotfelty EJ, Li Y, Greig NH (2022) Glucagon-like peptide-1 (GLP-1) receptor agonists and neuroinflammation: Implications for neurodegenerative disease treatment