Peter Thomas Roth Potent-C Power Brightening Hydra-Gel Eye Patches unleash the power of THD Ascorbate vitamin C, 50x stronger than traditional vitamin C, to visibly brighten dark circles, reduce fine lines, and awaken tired eyes. Infused with vitamin E and Ferulic Acid, these antioxidant-rich patches deliver radiant, youthful-looking under-eyes.