Like a 're-charging station' for your eyes, Patchology Energizing Eye Patches will refresh and soothe tired looking eyes in just 20 minutes to reveal smoother, healthier looking skin. Galvanic micro-current infusion technology gently delivers more active ingredients deeper than creams or serums. Each patch has a galvanic unit embedded inside it that has a two-year shelf life and activates immediately upon application to skin. These gentle, effective, sensation-free micro-current patches are simple to use and safe, delivering remarkable, youth-transforming results. Four uses per patch.