Peter Thomas Roth Potent-C Power Brightening Hydra-Gel Eye Patches are formulated to help improve the look of darkness and signs of aging around the under-eye area. They visibly help brighten and improve signs of aging around the eye area with THD Ascorbate Vitamin C, a breakthrough ingredient 50x more powerful than traditional Vitamin C. Boosted by Vitamin E, Caffeine, and Ferulic Acid, these mega-potent patches help reduce the look of darkness, fine lines and wrinkles.